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Finding the Fourth Proportional to 483,691.50, 667,489.41 and 268,850.34

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Solution

The fourth proportional to 483,691.50, 667,489.41 and 268,850.34 is: 371,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,691.50 : 667,489.41 = 268,850.34 : x
  2. Step 2: Convert to fraction form
    483,691.50/667,489.41 = 268,850.34/x
  3. Step 3: Cross multiply
    483,691.50x = 667,489.41 × 268,850.34
  4. Step 4: Simplify right side
    483,691.50x = 179,454,754,824.90
  5. Step 5: Solve for x
    x = 179,454,754,824.90/483,691.50
  6. Step 6: Final answer
    x = 371,010.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.