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Finding the Fourth Proportional to 484,329.67, 726,487.21 and 217,902.04

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Solution

The fourth proportional to 484,329.67, 726,487.21 and 217,902.04 is: 326,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,329.67 : 726,487.21 = 217,902.04 : x
  2. Step 2: Convert to fraction form
    484,329.67/726,487.21 = 217,902.04/x
  3. Step 3: Cross multiply
    484,329.67x = 726,487.21 × 217,902.04
  4. Step 4: Simplify right side
    484,329.67x = 158,303,045,092.91
  5. Step 5: Solve for x
    x = 158,303,045,092.91/484,329.67
  6. Step 6: Final answer
    x = 326,849.78

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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.