\[\boxed{\mathbf{329}\mathbf{.}}\]
\[1)\ \frac{3}{8} = \frac{9}{24}\]
\[2)\ \frac{1}{5} = \frac{6}{30}\]
\[3)\ \frac{4}{19} = \frac{20}{95}\]
\[4)\ \frac{8}{45} = \frac{32}{180}\]