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Finding the Fourth Proportional to 624,352.78, 861,612.92 and 337,878.82

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Solution

The fourth proportional to 624,352.78, 861,612.92 and 337,878.82 is: 466,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,352.78 : 861,612.92 = 337,878.82 : x
  2. Step 2: Convert to fraction form
    624,352.78/861,612.92 = 337,878.82/x
  3. Step 3: Cross multiply
    624,352.78x = 861,612.92 × 337,878.82
  4. Step 4: Simplify right side
    624,352.78x = 291,120,756,706.35
  5. Step 5: Solve for x
    x = 291,120,756,706.35/624,352.78
  6. Step 6: Final answer
    x = 466,276.06

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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.