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Finding the Fourth Proportional to 392,687.80, 588,725.52 and 182,298.40

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Solution

The fourth proportional to 392,687.80, 588,725.52 and 182,298.40 is: 273,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,687.80 : 588,725.52 = 182,298.40 : x
  2. Step 2: Convert to fraction form
    392,687.80/588,725.52 = 182,298.40/x
  3. Step 3: Cross multiply
    392,687.80x = 588,725.52 × 182,298.40
  4. Step 4: Simplify right side
    392,687.80x = 107,323,720,335.17
  5. Step 5: Solve for x
    x = 107,323,720,335.17/392,687.80
  6. Step 6: Final answer
    x = 273,305.46

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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.