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Finding the Fourth Proportional to 441,476.88, 662,221.55 and 125,933.78

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Solution

The fourth proportional to 441,476.88, 662,221.55 and 125,933.78 is: 188,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,476.88 : 662,221.55 = 125,933.78 : x
  2. Step 2: Convert to fraction form
    441,476.88/662,221.55 = 125,933.78/x
  3. Step 3: Cross multiply
    441,476.88x = 662,221.55 × 125,933.78
  4. Step 4: Simplify right side
    441,476.88x = 83,396,062,988.96
  5. Step 5: Solve for x
    x = 83,396,062,988.96/441,476.88
  6. Step 6: Final answer
    x = 188,902.45

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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.