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Finding the Fourth Proportional to 415,920.11, 573,996.33 and 234,565.87

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Solution

The fourth proportional to 415,920.11, 573,996.33 and 234,565.87 is: 323,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,920.11 : 573,996.33 = 234,565.87 : x
  2. Step 2: Convert to fraction form
    415,920.11/573,996.33 = 234,565.87/x
  3. Step 3: Cross multiply
    415,920.11x = 573,996.33 × 234,565.87
  4. Step 4: Simplify right side
    415,920.11x = 134,639,946,208.64
  5. Step 5: Solve for x
    x = 134,639,946,208.64/415,920.11
  6. Step 6: Final answer
    x = 323,715.89

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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.