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Finding the Fourth Proportional to 624,168.72, 861,352.44 and 337,688.88

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Solution

The fourth proportional to 624,168.72, 861,352.44 and 337,688.88 is: 466,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,168.72 : 861,352.44 = 337,688.88 : x
  2. Step 2: Convert to fraction form
    624,168.72/861,352.44 = 337,688.88/x
  3. Step 3: Cross multiply
    624,168.72x = 861,352.44 × 337,688.88
  4. Step 4: Simplify right side
    624,168.72x = 290,869,140,748.87
  5. Step 5: Solve for x
    x = 290,869,140,748.87/624,168.72
  6. Step 6: Final answer
    x = 466,010.44

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1.5x scale

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.