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Finding the Fourth Proportional to 338,651.73, 467,360.42 and 187,748.73

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Solution

The fourth proportional to 338,651.73, 467,360.42 and 187,748.73 is: 259,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,651.73 : 467,360.42 = 187,748.73 : x
  2. Step 2: Convert to fraction form
    338,651.73/467,360.42 = 187,748.73/x
  3. Step 3: Cross multiply
    338,651.73x = 467,360.42 × 187,748.73
  4. Step 4: Simplify right side
    338,651.73x = 87,746,324,368.52
  5. Step 5: Solve for x
    x = 87,746,324,368.52/338,651.73
  6. Step 6: Final answer
    x = 259,104.91

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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.