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Finding the Fourth Proportional to 441,454.80, 662,188.20 and 125,911.68

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Solution

The fourth proportional to 441,454.80, 662,188.20 and 125,911.68 is: 188,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,454.80 : 662,188.20 = 125,911.68 : x
  2. Step 2: Convert to fraction form
    441,454.80/662,188.20 = 125,911.68/x
  3. Step 3: Cross multiply
    441,454.80x = 662,188.20 × 125,911.68
  4. Step 4: Simplify right side
    441,454.80x = 83,377,228,738.18
  5. Step 5: Solve for x
    x = 83,377,228,738.18/441,454.80
  6. Step 6: Final answer
    x = 188,869.23

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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.