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Finding the Fourth Proportional to 415,917.13, 573,992.22 and 234,562.89

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Solution

The fourth proportional to 415,917.13, 573,992.22 and 234,562.89 is: 323,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,917.13 : 573,992.22 = 234,562.89 : x
  2. Step 2: Convert to fraction form
    415,917.13/573,992.22 = 234,562.89/x
  3. Step 3: Cross multiply
    415,917.13x = 573,992.22 × 234,562.89
  4. Step 4: Simplify right side
    415,917.13x = 134,637,272,279.74
  5. Step 5: Solve for x
    x = 134,637,272,279.74/415,917.13
  6. Step 6: Final answer
    x = 323,711.78

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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.