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Finding the Fourth Proportional to 484,350.96, 726,132.78 and 169,029.30

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Solution

The fourth proportional to 484,350.96, 726,132.78 and 169,029.30 is: 253,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,350.96 : 726,132.78 = 169,029.30 : x
  2. Step 2: Convert to fraction form
    484,350.96/726,132.78 = 169,029.30/x
  3. Step 3: Cross multiply
    484,350.96x = 726,132.78 × 169,029.30
  4. Step 4: Simplify right side
    484,350.96x = 122,737,715,510.45
  5. Step 5: Solve for x
    x = 122,737,715,510.45/484,350.96
  6. Step 6: Final answer
    x = 253,406.57

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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.