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Finding the Fourth Proportional to 354,691.28, 532,036.92 and 236,593.28

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Solution

The fourth proportional to 354,691.28, 532,036.92 and 236,593.28 is: 354,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,691.28 : 532,036.92 = 236,593.28 : x
  2. Step 2: Convert to fraction form
    354,691.28/532,036.92 = 236,593.28/x
  3. Step 3: Cross multiply
    354,691.28x = 532,036.92 × 236,593.28
  4. Step 4: Simplify right side
    354,691.28x = 125,876,359,983.90
  5. Step 5: Solve for x
    x = 125,876,359,983.90/354,691.28
  6. Step 6: Final answer
    x = 354,889.92

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1.5x scale

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.