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Finding the Fourth Proportional to 338,629.74, 467,309.70 and 187,726.74

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Solution

The fourth proportional to 338,629.74, 467,309.70 and 187,726.74 is: 259,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,629.74 : 467,309.70 = 187,726.74 : x
  2. Step 2: Convert to fraction form
    338,629.74/467,309.70 = 187,726.74/x
  3. Step 3: Cross multiply
    338,629.74x = 467,309.70 × 187,726.74
  4. Step 4: Simplify right side
    338,629.74x = 87,726,526,551.38
  5. Step 5: Solve for x
    x = 87,726,526,551.38/338,629.74
  6. Step 6: Final answer
    x = 259,063.27

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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.