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Finding the Fourth Proportional to 484,149.34, 726,222.79 and 147,188.53

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Solution

The fourth proportional to 484,149.34, 726,222.79 and 147,188.53 is: 220,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,149.34 : 726,222.79 = 147,188.53 : x
  2. Step 2: Convert to fraction form
    484,149.34/726,222.79 = 147,188.53/x
  3. Step 3: Cross multiply
    484,149.34x = 726,222.79 × 147,188.53
  4. Step 4: Simplify right side
    484,149.34x = 106,891,664,912.60
  5. Step 5: Solve for x
    x = 106,891,664,912.60/484,149.34
  6. Step 6: Final answer
    x = 220,782.42

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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.