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Finding the Fourth Proportional to 454,562.46, 681,843.33 and 122,138.46

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Solution

The fourth proportional to 454,562.46, 681,843.33 and 122,138.46 is: 183,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,562.46 : 681,843.33 = 122,138.46 : x
  2. Step 2: Convert to fraction form
    454,562.46/681,843.33 = 122,138.46/x
  3. Step 3: Cross multiply
    454,562.46x = 681,843.33 × 122,138.46
  4. Step 4: Simplify right side
    454,562.46x = 83,279,294,287.47
  5. Step 5: Solve for x
    x = 83,279,294,287.47/454,562.46
  6. Step 6: Final answer
    x = 183,207.59

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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.