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Finding the Fourth Proportional to 440,577.66, 660,854.88 and 125,034.60

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Solution

The fourth proportional to 440,577.66, 660,854.88 and 125,034.60 is: 187,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,577.66 : 660,854.88 = 125,034.60 : x
  2. Step 2: Convert to fraction form
    440,577.66/660,854.88 = 125,034.60/x
  3. Step 3: Cross multiply
    440,577.66x = 660,854.88 × 125,034.60
  4. Step 4: Simplify right side
    440,577.66x = 82,629,725,578.85
  5. Step 5: Solve for x
    x = 82,629,725,578.85/440,577.66
  6. Step 6: Final answer
    x = 187,548.61

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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.