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Finding the Fourth Proportional to 392,502.30, 588,837.15 and 224,103.30

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Solution

The fourth proportional to 392,502.30, 588,837.15 and 224,103.30 is: 336,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,502.30 : 588,837.15 = 224,103.30 : x
  2. Step 2: Convert to fraction form
    392,502.30/588,837.15 = 224,103.30/x
  3. Step 3: Cross multiply
    392,502.30x = 588,837.15 × 224,103.30
  4. Step 4: Simplify right side
    392,502.30x = 131,960,348,477.60
  5. Step 5: Solve for x
    x = 131,960,348,477.60/392,502.30
  6. Step 6: Final answer
    x = 336,202.74

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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.