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Finding the Fourth Proportional to 322,737.20, 484,105.80 and 164,913.20

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Solution

The fourth proportional to 322,737.20, 484,105.80 and 164,913.20 is: 247,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,737.20 : 484,105.80 = 164,913.20 : x
  2. Step 2: Convert to fraction form
    322,737.20/484,105.80 = 164,913.20/x
  3. Step 3: Cross multiply
    322,737.20x = 484,105.80 × 164,913.20
  4. Step 4: Simplify right side
    322,737.20x = 79,835,436,616.56
  5. Step 5: Solve for x
    x = 79,835,436,616.56/322,737.20
  6. Step 6: Final answer
    x = 247,369.80

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1.5x scale

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.