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Finding the Fourth Proportional to 481,489.97, 722,233.20 and 144,529.16

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Solution

The fourth proportional to 481,489.97, 722,233.20 and 144,529.16 is: 216,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,489.97 : 722,233.20 = 144,529.16 : x
  2. Step 2: Convert to fraction form
    481,489.97/722,233.20 = 144,529.16/x
  3. Step 3: Cross multiply
    481,489.97x = 722,233.20 × 144,529.16
  4. Step 4: Simplify right side
    481,489.97x = 104,383,754,108.95
  5. Step 5: Solve for x
    x = 104,383,754,108.95/481,489.97
  6. Step 6: Final answer
    x = 216,793.21

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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.