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Finding the Fourth Proportional to 635,354.41, 953,031.92 and 398,863.17

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Solution

The fourth proportional to 635,354.41, 953,031.92 and 398,863.17 is: 598,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,354.41 : 953,031.92 = 398,863.17 : x
  2. Step 2: Convert to fraction form
    635,354.41/953,031.92 = 398,863.17/x
  3. Step 3: Cross multiply
    635,354.41x = 953,031.92 × 398,863.17
  4. Step 4: Simplify right side
    635,354.41x = 380,129,332,722.39
  5. Step 5: Solve for x
    x = 380,129,332,722.39/635,354.41
  6. Step 6: Final answer
    x = 598,294.95

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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.