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Finding the Fourth Proportional to 447,562.97, 671,337.88 and 110,603.61

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Solution

The fourth proportional to 447,562.97, 671,337.88 and 110,603.61 is: 165,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,562.97 : 671,337.88 = 110,603.61 : x
  2. Step 2: Convert to fraction form
    447,562.97/671,337.88 = 110,603.61/x
  3. Step 3: Cross multiply
    447,562.97x = 671,337.88 × 110,603.61
  4. Step 4: Simplify right side
    447,562.97x = 74,252,389,148.04
  5. Step 5: Solve for x
    x = 74,252,389,148.04/447,562.97
  6. Step 6: Final answer
    x = 165,903.78

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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.