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Finding the Fourth Proportional to 427,456.22, 589,906.96 and 236,466.32

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Solution

The fourth proportional to 427,456.22, 589,906.96 and 236,466.32 is: 326,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,456.22 : 589,906.96 = 236,466.32 : x
  2. Step 2: Convert to fraction form
    427,456.22/589,906.96 = 236,466.32/x
  3. Step 3: Cross multiply
    427,456.22x = 589,906.96 × 236,466.32
  4. Step 4: Simplify right side
    427,456.22x = 139,493,127,973.59
  5. Step 5: Solve for x
    x = 139,493,127,973.59/427,456.22
  6. Step 6: Final answer
    x = 326,333.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.