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Finding the Fourth Proportional to 354,773.44, 532,286.08 and 221,499.20

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Solution

The fourth proportional to 354,773.44, 532,286.08 and 221,499.20 is: 332,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,773.44 : 532,286.08 = 221,499.20 : x
  2. Step 2: Convert to fraction form
    354,773.44/532,286.08 = 221,499.20/x
  3. Step 3: Cross multiply
    354,773.44x = 532,286.08 × 221,499.20
  4. Step 4: Simplify right side
    354,773.44x = 117,900,940,891.14
  5. Step 5: Solve for x
    x = 117,900,940,891.14/354,773.44
  6. Step 6: Final answer
    x = 332,327.42

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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.