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Finding the Fourth Proportional to 338,783.38, 467,542.02 and 187,880.38

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Solution

The fourth proportional to 338,783.38, 467,542.02 and 187,880.38 is: 259,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,783.38 : 467,542.02 = 187,880.38 : x
  2. Step 2: Convert to fraction form
    338,783.38/467,542.02 = 187,880.38/x
  3. Step 3: Cross multiply
    338,783.38x = 467,542.02 × 187,880.38
  4. Step 4: Simplify right side
    338,783.38x = 87,841,972,383.57
  5. Step 5: Solve for x
    x = 87,841,972,383.57/338,783.38
  6. Step 6: Final answer
    x = 259,286.55

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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.