\[\boxed{\mathbf{462}.}\]
\[1)\ 169,2\ :8 = 1692\ :80 = 21,15\]
\[2)\ 144,96\ :48 =\]
\[= 14\ 496\ :4800 = 3,02\]
\[3)\ 10,58\ :2,3 =\]
\[= 1058\ :230 = 4,6\]
\[4)\ 6\ :0,0016 =\]
\[= 60\ 000\ :16 = 3750\]
\[5)\ 0,324\ :4,05 =\]
\[= 324\ :4050 = 0,08\]
\[6)\ 2,464\ :4,4 =\]
\[= 2464\ :4400 = 0,56\]