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Finding the Fourth Proportional to 267,380.29, 400,862.19 and 132,351.15

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Solution

The fourth proportional to 267,380.29, 400,862.19 and 132,351.15 is: 198,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,380.29 : 400,862.19 = 132,351.15 : x
  2. Step 2: Convert to fraction form
    267,380.29/400,862.19 = 132,351.15/x
  3. Step 3: Cross multiply
    267,380.29x = 400,862.19 × 132,351.15
  4. Step 4: Simplify right side
    267,380.29x = 53,054,573,837.57
  5. Step 5: Solve for x
    x = 53,054,573,837.57/267,380.29
  6. Step 6: Final answer
    x = 198,423.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.