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Finding the Fourth Proportional to 624,612.92, 861,958.68 and 338,126.72

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Solution

The fourth proportional to 624,612.92, 861,958.68 and 338,126.72 is: 466,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,612.92 : 861,958.68 = 338,126.72 : x
  2. Step 2: Convert to fraction form
    624,612.92/861,958.68 = 338,126.72/x
  3. Step 3: Cross multiply
    624,612.92x = 861,958.68 × 338,126.72
  4. Step 4: Simplify right side
    624,612.92x = 291,451,261,243.93
  5. Step 5: Solve for x
    x = 291,451,261,243.93/624,612.92
  6. Step 6: Final answer
    x = 466,611.00

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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.