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Finding the Fourth Proportional to 571,761.99, 857,722.03 and 192,791.14

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Solution

The fourth proportional to 571,761.99, 857,722.03 and 192,791.14 is: 289,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,761.99 : 857,722.03 = 192,791.14 : x
  2. Step 2: Convert to fraction form
    571,761.99/857,722.03 = 192,791.14/x
  3. Step 3: Cross multiply
    571,761.99x = 857,722.03 × 192,791.14
  4. Step 4: Simplify right side
    571,761.99x = 165,361,205,340.53
  5. Step 5: Solve for x
    x = 165,361,205,340.53/571,761.99
  6. Step 6: Final answer
    x = 289,213.36

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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.