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Finding the Fourth Proportional to 392,251.40, 588,625.77 and 167,613.43

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Solution

The fourth proportional to 392,251.40, 588,625.77 and 167,613.43 is: 251,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,251.40 : 588,625.77 = 167,613.43 : x
  2. Step 2: Convert to fraction form
    392,251.40/588,625.77 = 167,613.43/x
  3. Step 3: Cross multiply
    392,251.40x = 588,625.77 × 167,613.43
  4. Step 4: Simplify right side
    392,251.40x = 98,661,581,352.96
  5. Step 5: Solve for x
    x = 98,661,581,352.96/392,251.40
  6. Step 6: Final answer
    x = 251,526.40

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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.