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Finding the Fourth Proportional to 568,523.93, 853,231.56 and 396,627.78

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Solution

The fourth proportional to 568,523.93, 853,231.56 and 396,627.78 is: 595,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,523.93 : 853,231.56 = 396,627.78 : x
  2. Step 2: Convert to fraction form
    568,523.93/853,231.56 = 396,627.78/x
  3. Step 3: Cross multiply
    568,523.93x = 853,231.56 × 396,627.78
  4. Step 4: Simplify right side
    568,523.93x = 338,415,341,181.00
  5. Step 5: Solve for x
    x = 338,415,341,181.00/568,523.93
  6. Step 6: Final answer
    x = 595,252.59

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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.