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Finding the Fourth Proportional to 481,487.52, 722,229.55 and 144,526.71

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Solution

The fourth proportional to 481,487.52, 722,229.55 and 144,526.71 is: 216,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,487.52 : 722,229.55 = 144,526.71 : x
  2. Step 2: Convert to fraction form
    481,487.52/722,229.55 = 144,526.71/x
  3. Step 3: Cross multiply
    481,487.52x = 722,229.55 × 144,526.71
  4. Step 4: Simplify right side
    481,487.52x = 104,381,463,073.33
  5. Step 5: Solve for x
    x = 104,381,463,073.33/481,487.52
  6. Step 6: Final answer
    x = 216,789.55

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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.