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Finding the Fourth Proportional to 415,867.54, 573,873.30 and 234,568.66

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Solution

The fourth proportional to 415,867.54, 573,873.30 and 234,568.66 is: 323,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,867.54 : 573,873.30 = 234,568.66 : x
  2. Step 2: Convert to fraction form
    415,867.54/573,873.30 = 234,568.66/x
  3. Step 3: Cross multiply
    415,867.54x = 573,873.30 × 234,568.66
  4. Step 4: Simplify right side
    415,867.54x = 134,612,690,990.78
  5. Step 5: Solve for x
    x = 134,612,690,990.78/415,867.54
  6. Step 6: Final answer
    x = 323,691.27

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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.