Exhibit 16.2 under Form N-14

                               POWER OF ATTORNEY


      Each  person whose signature appears below hereby constitutes and appoints
the Secretary  and  Assistant  Secretaries  of  FEDERATED MDT SERIES and each of
them, their true and lawful attorneys-in-fact and  agents,  with  full  power of
substitution and resubstitution for them and in their names, place and stead, in
any and all capacities, to sign the Registration Statement on Form N-14 relating
to  the  proposed  reorganizations  of  Federated  Conservative Allocation Fund,
Federated Growth Allocation Fund, and Federated Moderate  Allocation  Fund,  all
portfolios  of  Federated  Managed  Allocation  Portfolios,  into  Federated MDT
Balanced  Fund, a portfolio of Federated MDT Series, and any amendments  to  the
Registration  Statement,  including  post-effective  amendments; and to file the
same,  with  all exhibits thereto and other documents in  connection  therewith,
with the Securities  and  Exchange  Commission  by  means  of the Securities and
Exchange Commission's electronic disclosure system known as EDGAR, granting unto
said attorneys-in-fact and agents, and each of them, full power and authority to
sign and perform each and every act and thing requisite and necessary to be done
in connection therewith, as fully to all intents and purposes  as  each  of them
might  or  could  do  in  person,  hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any  of  them,  or  their  or his substitute or
substitutes, may lawfully do or cause to be done by virtue thereof.


SIGNATURES                           TITLE                                  DATE



/S/ John F. Donahue
John F. Donahue                      Trustee                       July 17, 2007



/S/ J. Christopher Donahue
J. Christopher Donahue               President and Trustee         July 17, 2007
                                     (Principal Executive Officer)



/S/ Richard A. Novak
Richard A. Novak                     Treasurer                     July 17, 2007
                                     (Principal Financial Officer)



/S/ Thomas G. Bigley
Thomas G. Bigley                     Trustee                       July 17, 2007



/S/ John T. Conroy, Jr.
John T. Conroy, Jr.                  Trustee                       July 17, 2007



/S/ Nicholas P. Constantakis
Nicholas P. Constantakis             Trustee                       July 17, 2007



/S/ John F. Cunningham
John F. Cunningham                   Trustee                       July 17, 2007


Federated MDT Series -
Power of Attorney for Merger of Federated Conservative Allocation Fund,
Federated Growth Allocation Fund and Federated Moderate Allocation Fund into
Federated MDT Balanced Fund
Page 2




/S/ Lawrence D. Ellis, M.D.
Lawrence D. Ellis, M.D.              Trustee                       July 17, 2007



/S/ Peter E. Madden
Peter E. Madden                      Trustee                       July 17, 2007



/S/ Charles F. Mansfield, Jr.
Charles F. Mansfield, Jr.            Trustee                       July 17, 2007



/S/ John E. Murray, Jr.
John E. Murray, Jr.                  Trustee                       July 17, 2007



/S/ Thomas M. O'Neill
Thomas M. O'Neill                    Trustee                       July 17, 2007



/S/ Marjorie P. Smuts
Marjorie P. Smuts                    Trustee                       July 17, 2007



/S/ John S. Walsh
John S. Walsh                        Trustee                       July 17, 2007



/S/ James F. Will
James F. Will                        Trustee                       July 17, 2007