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Finding the Fourth Proportional to 568,204.80, 851,716.80 and 231,100.80

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Solution

The fourth proportional to 568,204.80, 851,716.80 and 231,100.80 is: 346,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,204.80 : 851,716.80 = 231,100.80 : x
  2. Step 2: Convert to fraction form
    568,204.80/851,716.80 = 231,100.80/x
  3. Step 3: Cross multiply
    568,204.80x = 851,716.80 × 231,100.80
  4. Step 4: Simplify right side
    568,204.80x = 196,832,433,853.44
  5. Step 5: Solve for x
    x = 196,832,433,853.44/568,204.80
  6. Step 6: Final answer
    x = 346,411.07

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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.