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Finding the Fourth Proportional to 484,626.60, 726,972.30 and 164,773.80

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Solution

The fourth proportional to 484,626.60, 726,972.30 and 164,773.80 is: 247,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,626.60 : 726,972.30 = 164,773.80 : x
  2. Step 2: Convert to fraction form
    484,626.60/726,972.30 = 164,773.80/x
  3. Step 3: Cross multiply
    484,626.60x = 726,972.30 × 164,773.80
  4. Step 4: Simplify right side
    484,626.60x = 119,785,988,365.74
  5. Step 5: Solve for x
    x = 119,785,988,365.74/484,626.60
  6. Step 6: Final answer
    x = 247,171.72

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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.