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Finding the Fourth Proportional to 396,854.31, 547,745.60 and 244,024.01

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Solution

The fourth proportional to 396,854.31, 547,745.60 and 244,024.01 is: 336,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854.31 : 547,745.60 = 244,024.01 : x
  2. Step 2: Convert to fraction form
    396,854.31/547,745.60 = 244,024.01/x
  3. Step 3: Cross multiply
    396,854.31x = 547,745.60 × 244,024.01
  4. Step 4: Simplify right side
    396,854.31x = 133,663,079,751.28
  5. Step 5: Solve for x
    x = 133,663,079,751.28/396,854.31
  6. Step 6: Final answer
    x = 336,806.42

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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.