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Finding the Fourth Proportional to 507,431.92, 761,397.96 and 237,578.29

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Solution

The fourth proportional to 507,431.92, 761,397.96 and 237,578.29 is: 356,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,431.92 : 761,397.96 = 237,578.29 : x
  2. Step 2: Convert to fraction form
    507,431.92/761,397.96 = 237,578.29/x
  3. Step 3: Cross multiply
    507,431.92x = 761,397.96 × 237,578.29
  4. Step 4: Simplify right side
    507,431.92x = 180,891,625,346.29
  5. Step 5: Solve for x
    x = 180,891,625,346.29/507,431.92
  6. Step 6: Final answer
    x = 356,484.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.