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Finding the Fourth Proportional to 568,426.30, 851,898.99 and 231,072.90

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Solution

The fourth proportional to 568,426.30, 851,898.99 and 231,072.90 is: 346,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,426.30 : 851,898.99 = 231,072.90 : x
  2. Step 2: Convert to fraction form
    568,426.30/851,898.99 = 231,072.90/x
  3. Step 3: Cross multiply
    568,426.30x = 851,898.99 × 231,072.90
  4. Step 4: Simplify right side
    568,426.30x = 196,850,770,126.37
  5. Step 5: Solve for x
    x = 196,850,770,126.37/568,426.30
  6. Step 6: Final answer
    x = 346,308.34

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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.