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Finding the Fourth Proportional to 664,388.73, 996,476.48 and 237,845.36

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Solution

The fourth proportional to 664,388.73, 996,476.48 and 237,845.36 is: 356,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,388.73 : 996,476.48 = 237,845.36 : x
  2. Step 2: Convert to fraction form
    664,388.73/996,476.48 = 237,845.36/x
  3. Step 3: Cross multiply
    664,388.73x = 996,476.48 × 237,845.36
  4. Step 4: Simplify right side
    664,388.73x = 237,007,309,311.02
  5. Step 5: Solve for x
    x = 237,007,309,311.02/664,388.73
  6. Step 6: Final answer
    x = 356,729.88

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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.