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Finding the Fourth Proportional to 484,367.20, 726,706.52 and 147,473.10

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Solution

The fourth proportional to 484,367.20, 726,706.52 and 147,473.10 is: 221,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,367.20 : 726,706.52 = 147,473.10 : x
  2. Step 2: Convert to fraction form
    484,367.20/726,706.52 = 147,473.10/x
  3. Step 3: Cross multiply
    484,367.20x = 726,706.52 × 147,473.10
  4. Step 4: Simplify right side
    484,367.20x = 107,169,663,294.61
  5. Step 5: Solve for x
    x = 107,169,663,294.61/484,367.20
  6. Step 6: Final answer
    x = 221,257.06

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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.