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Finding the Fourth Proportional to 338,662.74, 467,375.64 and 187,759.74

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Solution

The fourth proportional to 338,662.74, 467,375.64 and 187,759.74 is: 259,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,662.74 : 467,375.64 = 187,759.74 : x
  2. Step 2: Convert to fraction form
    338,662.74/467,375.64 = 187,759.74/x
  3. Step 3: Cross multiply
    338,662.74x = 467,375.64 × 187,759.74
  4. Step 4: Simplify right side
    338,662.74x = 87,754,328,648.73
  5. Step 5: Solve for x
    x = 87,754,328,648.73/338,662.74
  6. Step 6: Final answer
    x = 259,120.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.