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Finding the Fourth Proportional to 624,355.02, 861,609.87 and 337,875.12

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Solution

The fourth proportional to 624,355.02, 861,609.87 and 337,875.12 is: 466,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,355.02 : 861,609.87 = 337,875.12 : x
  2. Step 2: Convert to fraction form
    624,355.02/861,609.87 = 337,875.12/x
  3. Step 3: Cross multiply
    624,355.02x = 861,609.87 × 337,875.12
  4. Step 4: Simplify right side
    624,355.02x = 291,116,538,219.43
  5. Step 5: Solve for x
    x = 291,116,538,219.43/624,355.02
  6. Step 6: Final answer
    x = 466,267.63

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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.