\[\boxed{\mathbf{496.}}\]
\[80\ :2 = 40 > 80\ :4 = 20\]
\[96\ :3 = 32 > 69\ :3 = 23\]
\[200\ :4 = 50 < 200\ :2 = 100\]
\[448\ :2 = 224 > 844\ :4 = 211\]