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Finding the Fourth Proportional to 338,761.14, 467,491.95 and 187,858.14

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Solution

The fourth proportional to 338,761.14, 467,491.95 and 187,858.14 is: 259,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,761.14 : 467,491.95 = 187,858.14 : x
  2. Step 2: Convert to fraction form
    338,761.14/467,491.95 = 187,858.14/x
  3. Step 3: Cross multiply
    338,761.14x = 467,491.95 × 187,858.14
  4. Step 4: Simplify right side
    338,761.14x = 87,822,168,191.97
  5. Step 5: Solve for x
    x = 87,822,168,191.97/338,761.14
  6. Step 6: Final answer
    x = 259,245.11

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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.