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Finding the Fourth Proportional to 624,433.46, 861,716.68 and 337,953.74

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Solution

The fourth proportional to 624,433.46, 861,716.68 and 337,953.74 is: 466,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,433.46 : 861,716.68 = 337,953.74 : x
  2. Step 2: Convert to fraction form
    624,433.46/861,716.68 = 337,953.74/x
  3. Step 3: Cross multiply
    624,433.46x = 861,716.68 × 337,953.74
  4. Step 4: Simplify right side
    624,433.46x = 291,220,369,672.92
  5. Step 5: Solve for x
    x = 291,220,369,672.92/624,433.46
  6. Step 6: Final answer
    x = 466,375.35

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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.