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Finding the Fourth Proportional to 372,251.97, 558,562.47 and 147,607.59

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Solution

The fourth proportional to 372,251.97, 558,562.47 and 147,607.59 is: 221,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,251.97 : 558,562.47 = 147,607.59 : x
  2. Step 2: Convert to fraction form
    372,251.97/558,562.47 = 147,607.59/x
  3. Step 3: Cross multiply
    372,251.97x = 558,562.47 × 147,607.59
  4. Step 4: Simplify right side
    372,251.97x = 82,448,060,061.15
  5. Step 5: Solve for x
    x = 82,448,060,061.15/372,251.97
  6. Step 6: Final answer
    x = 221,484.55

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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.