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Finding the Fourth Proportional to 664,359.30, 996,344.55 and 237,845.70

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Solution

The fourth proportional to 664,359.30, 996,344.55 and 237,845.70 is: 356,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,359.30 : 996,344.55 = 237,845.70 : x
  2. Step 2: Convert to fraction form
    664,359.30/996,344.55 = 237,845.70/x
  3. Step 3: Cross multiply
    664,359.30x = 996,344.55 × 237,845.70
  4. Step 4: Simplify right side
    664,359.30x = 236,976,266,935.94
  5. Step 5: Solve for x
    x = 236,976,266,935.94/664,359.30
  6. Step 6: Final answer
    x = 356,698.95

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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.