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Finding the Fourth Proportional to 624,266.96, 861,485.64 and 337,792.12

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Solution

The fourth proportional to 624,266.96, 861,485.64 and 337,792.12 is: 466,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,266.96 : 861,485.64 = 337,792.12 : x
  2. Step 2: Convert to fraction form
    624,266.96/861,485.64 = 337,792.12/x
  3. Step 3: Cross multiply
    624,266.96x = 861,485.64 × 337,792.12
  4. Step 4: Simplify right side
    624,266.96x = 291,003,060,685.16
  5. Step 5: Solve for x
    x = 291,003,060,685.16/624,266.96
  6. Step 6: Final answer
    x = 466,151.63

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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.