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Finding the Fourth Proportional to 624,360.12, 861,619.11 and 337,880.13

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Solution

The fourth proportional to 624,360.12, 861,619.11 and 337,880.13 is: 466,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,360.12 : 861,619.11 = 337,880.13 : x
  2. Step 2: Convert to fraction form
    624,360.12/861,619.11 = 337,880.13/x
  3. Step 3: Cross multiply
    624,360.12x = 861,619.11 × 337,880.13
  4. Step 4: Simplify right side
    624,360.12x = 291,123,976,897.28
  5. Step 5: Solve for x
    x = 291,123,976,897.28/624,360.12
  6. Step 6: Final answer
    x = 466,275.74

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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.