my $index = $hash->{$string};
...
my $value1 = $array1->[$index];
my $value2 = $array2->[$index];
...
my $valueN = $arrayN->[$index];

##</code><code>##

my $value1 = $hash1->{$string};
my $value2 = $hash2->{$string};
...
my $valueN = $hashN->{$string};