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Finding the Fourth Proportional to 551,348.82, 827,348.22 and 231,556.79

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Solution

The fourth proportional to 551,348.82, 827,348.22 and 231,556.79 is: 347,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,348.82 : 827,348.22 = 231,556.79 : x
  2. Step 2: Convert to fraction form
    551,348.82/827,348.22 = 231,556.79/x
  3. Step 3: Cross multiply
    551,348.82x = 827,348.22 × 231,556.79
  4. Step 4: Simplify right side
    551,348.82x = 191,578,100,103.78
  5. Step 5: Solve for x
    x = 191,578,100,103.78/551,348.82
  6. Step 6: Final answer
    x = 347,471.68

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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.