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Finding the Fourth Proportional to 624,292.72, 861,522.60 and 337,812.70

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Solution

The fourth proportional to 624,292.72, 861,522.60 and 337,812.70 is: 466,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,292.72 : 861,522.60 = 337,812.70 : x
  2. Step 2: Convert to fraction form
    624,292.72/861,522.60 = 337,812.70/x
  3. Step 3: Cross multiply
    624,292.72x = 861,522.60 × 337,812.70
  4. Step 4: Simplify right side
    624,292.72x = 291,033,275,617.02
  5. Step 5: Solve for x
    x = 291,033,275,617.02/624,292.72
  6. Step 6: Final answer
    x = 466,180.79

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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.