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Finding the Fourth Proportional to 322,882.44, 484,304.04 and 120,439.50

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Solution

The fourth proportional to 322,882.44, 484,304.04 and 120,439.50 is: 180,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,882.44 : 484,304.04 = 120,439.50 : x
  2. Step 2: Convert to fraction form
    322,882.44/484,304.04 = 120,439.50/x
  3. Step 3: Cross multiply
    322,882.44x = 484,304.04 × 120,439.50
  4. Step 4: Simplify right side
    322,882.44x = 58,329,336,425.58
  5. Step 5: Solve for x
    x = 58,329,336,425.58/322,882.44
  6. Step 6: Final answer
    x = 180,651.93

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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.