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Finding the Fourth Proportional to 298,517.88, 447,932.34 and 132,267

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Solution

The fourth proportional to 298,517.88, 447,932.34 and 132,267 is: 198,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,517.88 : 447,932.34 = 132,267 : x
  2. Step 2: Convert to fraction form
    298,517.88/447,932.34 = 132,267/x
  3. Step 3: Cross multiply
    298,517.88x = 447,932.34 × 132,267
  4. Step 4: Simplify right side
    298,517.88x = 59,246,666,814.78
  5. Step 5: Solve for x
    x = 59,246,666,814.78/298,517.88
  6. Step 6: Final answer
    x = 198,469.41

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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.