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Finding the Fourth Proportional to 664,250.76, 996,391.53 and 237,815.73

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Solution

The fourth proportional to 664,250.76, 996,391.53 and 237,815.73 is: 356,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,250.76 : 996,391.53 = 237,815.73 : x
  2. Step 2: Convert to fraction form
    664,250.76/996,391.53 = 237,815.73/x
  3. Step 3: Cross multiply
    664,250.76x = 996,391.53 × 237,815.73
  4. Step 4: Simplify right side
    664,250.76x = 236,957,579,072.77
  5. Step 5: Solve for x
    x = 236,957,579,072.77/664,250.76
  6. Step 6: Final answer
    x = 356,729.10

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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.