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Finding the Fourth Proportional to 568,532.94, 853,245.06 and 396,636.78

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Solution

The fourth proportional to 568,532.94, 853,245.06 and 396,636.78 is: 595,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,532.94 : 853,245.06 = 396,636.78 : x
  2. Step 2: Convert to fraction form
    568,532.94/853,245.06 = 396,636.78/x
  3. Step 3: Cross multiply
    568,532.94x = 853,245.06 × 396,636.78
  4. Step 4: Simplify right side
    568,532.94x = 338,428,373,149.31
  5. Step 5: Solve for x
    x = 338,428,373,149.31/568,532.94
  6. Step 6: Final answer
    x = 595,266.08

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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.