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Finding the Fourth Proportional to 451,132.89, 676,651.65 and 237,815.34

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Solution

The fourth proportional to 451,132.89, 676,651.65 and 237,815.34 is: 356,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,132.89 : 676,651.65 = 237,815.34 : x
  2. Step 2: Convert to fraction form
    451,132.89/676,651.65 = 237,815.34/x
  3. Step 3: Cross multiply
    451,132.89x = 676,651.65 × 237,815.34
  4. Step 4: Simplify right side
    451,132.89x = 160,918,141,314.50
  5. Step 5: Solve for x
    x = 160,918,141,314.50/451,132.89
  6. Step 6: Final answer
    x = 356,697.87

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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.