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Finding the Fourth Proportional to 664,449.30, 996,479.55 and 237,935.70

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Solution

The fourth proportional to 664,449.30, 996,479.55 and 237,935.70 is: 356,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,449.30 : 996,479.55 = 237,935.70 : x
  2. Step 2: Convert to fraction form
    664,449.30/996,479.55 = 237,935.70/x
  3. Step 3: Cross multiply
    664,449.30x = 996,479.55 × 237,935.70
  4. Step 4: Simplify right side
    664,449.30x = 237,098,059,264.94
  5. Step 5: Solve for x
    x = 237,098,059,264.94/664,449.30
  6. Step 6: Final answer
    x = 356,833.94

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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.