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Finding the Fourth Proportional to 568,952.81, 853,849.19 and 269,432.91

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Solution

The fourth proportional to 568,952.81, 853,849.19 and 269,432.91 is: 404,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,952.81 : 853,849.19 = 269,432.91 : x
  2. Step 2: Convert to fraction form
    568,952.81/853,849.19 = 269,432.91/x
  3. Step 3: Cross multiply
    568,952.81x = 853,849.19 × 269,432.91
  4. Step 4: Simplify right side
    568,952.81x = 230,055,070,615.68
  5. Step 5: Solve for x
    x = 230,055,070,615.68/568,952.81
  6. Step 6: Final answer
    x = 404,348.25

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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.