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Finding the Fourth Proportional to 568,951.31, 853,846.94 and 269,431.40

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Solution

The fourth proportional to 568,951.31, 853,846.94 and 269,431.40 is: 404,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,951.31 : 853,846.94 = 269,431.40 : x
  2. Step 2: Convert to fraction form
    568,951.31/853,846.94 = 269,431.40/x
  3. Step 3: Cross multiply
    568,951.31x = 853,846.94 × 269,431.40
  4. Step 4: Simplify right side
    568,951.31x = 230,053,177,217.38
  5. Step 5: Solve for x
    x = 230,053,177,217.38/568,951.31
  6. Step 6: Final answer
    x = 404,345.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.