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Finding the Fourth Proportional to 392,502.30, 588,753.45 and 373,148.70

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Solution

The fourth proportional to 392,502.30, 588,753.45 and 373,148.70 is: 559,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,502.30 : 588,753.45 = 373,148.70 : x
  2. Step 2: Convert to fraction form
    392,502.30/588,753.45 = 373,148.70/x
  3. Step 3: Cross multiply
    392,502.30x = 588,753.45 × 373,148.70
  4. Step 4: Simplify right side
    392,502.30x = 219,692,584,488.02
  5. Step 5: Solve for x
    x = 219,692,584,488.02/392,502.30
  6. Step 6: Final answer
    x = 559,723.05

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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.