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Finding the Fourth Proportional to 339,180.28, 468,153.90 and 196,023.80

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Solution

The fourth proportional to 339,180.28, 468,153.90 and 196,023.80 is: 270,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,180.28 : 468,153.90 = 196,023.80 : x
  2. Step 2: Convert to fraction form
    339,180.28/468,153.90 = 196,023.80/x
  3. Step 3: Cross multiply
    339,180.28x = 468,153.90 × 196,023.80
  4. Step 4: Simplify right side
    339,180.28x = 91,769,306,462.82
  5. Step 5: Solve for x
    x = 91,769,306,462.82/339,180.28
  6. Step 6: Final answer
    x = 270,562.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.