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Finding the Fourth Proportional to 552,176.20, 827,778.30 and 374,105.80

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Solution

The fourth proportional to 552,176.20, 827,778.30 and 374,105.80 is: 560,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,176.20 : 827,778.30 = 374,105.80 : x
  2. Step 2: Convert to fraction form
    552,176.20/827,778.30 = 374,105.80/x
  3. Step 3: Cross multiply
    552,176.20x = 827,778.30 × 374,105.80
  4. Step 4: Simplify right side
    552,176.20x = 309,676,663,144.14
  5. Step 5: Solve for x
    x = 309,676,663,144.14/552,176.20
  6. Step 6: Final answer
    x = 560,829.43

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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.