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Finding the Fourth Proportional to 568,959.69, 853,859.48 and 269,439.69

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Solution

The fourth proportional to 568,959.69, 853,859.48 and 269,439.69 is: 404,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,959.69 : 853,859.48 = 269,439.69 : x
  2. Step 2: Convert to fraction form
    568,959.69/853,859.48 = 269,439.69/x
  3. Step 3: Cross multiply
    568,959.69x = 853,859.48 × 269,439.69
  4. Step 4: Simplify right side
    568,959.69x = 230,063,632,247.56
  5. Step 5: Solve for x
    x = 230,063,632,247.56/568,959.69
  6. Step 6: Final answer
    x = 404,358.40

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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.