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Finding the Fourth Proportional to 415,500.44, 622,708.97 and 187,626.38

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Solution

The fourth proportional to 415,500.44, 622,708.97 and 187,626.38 is: 281,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,500.44 : 622,708.97 = 187,626.38 : x
  2. Step 2: Convert to fraction form
    415,500.44/622,708.97 = 187,626.38/x
  3. Step 3: Cross multiply
    415,500.44x = 622,708.97 × 187,626.38
  4. Step 4: Simplify right side
    415,500.44x = 116,836,625,782.95
  5. Step 5: Solve for x
    x = 116,836,625,782.95/415,500.44
  6. Step 6: Final answer
    x = 281,194.95

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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.