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Finding the Fourth Proportional to 568,408.80, 852,920.40 and 252,914.40

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Solution

The fourth proportional to 568,408.80, 852,920.40 and 252,914.40 is: 379,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,408.80 : 852,920.40 = 252,914.40 : x
  2. Step 2: Convert to fraction form
    568,408.80/852,920.40 = 252,914.40/x
  3. Step 3: Cross multiply
    568,408.80x = 852,920.40 × 252,914.40
  4. Step 4: Simplify right side
    568,408.80x = 215,715,851,213.76
  5. Step 5: Solve for x
    x = 215,715,851,213.76/568,408.80
  6. Step 6: Final answer
    x = 379,508.29

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1.5x scale

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.