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Finding the Fourth Proportional to 338,620.41, 467,301.42 and 185,672.57

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Solution

The fourth proportional to 338,620.41, 467,301.42 and 185,672.57 is: 256,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,620.41 : 467,301.42 = 185,672.57 : x
  2. Step 2: Convert to fraction form
    338,620.41/467,301.42 = 185,672.57/x
  3. Step 3: Cross multiply
    338,620.41x = 467,301.42 × 185,672.57
  4. Step 4: Simplify right side
    338,620.41x = 86,765,053,279.54
  5. Step 5: Solve for x
    x = 86,765,053,279.54/338,620.41
  6. Step 6: Final answer
    x = 256,231.02

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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.