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Finding the Fourth Proportional to 624,403, 861,676.14 and 337,925.17

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Solution

The fourth proportional to 624,403, 861,676.14 and 337,925.17 is: 466,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,403 : 861,676.14 = 337,925.17 : x
  2. Step 2: Convert to fraction form
    624,403/861,676.14 = 337,925.17/x
  3. Step 3: Cross multiply
    624,403x = 861,676.14 × 337,925.17
  4. Step 4: Simplify right side
    624,403x = 291,182,056,094.44
  5. Step 5: Solve for x
    x = 291,182,056,094.44/624,403
  6. Step 6: Final answer
    x = 466,336.73

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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.