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Finding the Fourth Proportional to 568,820.52, 853,479.90 and 269,514.72

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Solution

The fourth proportional to 568,820.52, 853,479.90 and 269,514.72 is: 404,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,820.52 : 853,479.90 = 269,514.72 : x
  2. Step 2: Convert to fraction form
    568,820.52/853,479.90 = 269,514.72/x
  3. Step 3: Cross multiply
    568,820.52x = 853,479.90 × 269,514.72
  4. Step 4: Simplify right side
    568,820.52x = 230,025,396,274.13
  5. Step 5: Solve for x
    x = 230,025,396,274.13/568,820.52
  6. Step 6: Final answer
    x = 404,390.12

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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.