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Finding the Fourth Proportional to 415,617.50, 573,540.68 and 234,327.85

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Solution

The fourth proportional to 415,617.50, 573,540.68 and 234,327.85 is: 323,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,617.50 : 573,540.68 = 234,327.85 : x
  2. Step 2: Convert to fraction form
    415,617.50/573,540.68 = 234,327.85/x
  3. Step 3: Cross multiply
    415,617.50x = 573,540.68 × 234,327.85
  4. Step 4: Simplify right side
    415,617.50x = 134,396,553,583.91
  5. Step 5: Solve for x
    x = 134,396,553,583.91/415,617.50
  6. Step 6: Final answer
    x = 323,365.96

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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.