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Finding the Fourth Proportional to 339,376.56, 468,283.44 and 196,149.94

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Solution

The fourth proportional to 339,376.56, 468,283.44 and 196,149.94 is: 270,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,376.56 : 468,283.44 = 196,149.94 : x
  2. Step 2: Convert to fraction form
    339,376.56/468,283.44 = 196,149.94/x
  3. Step 3: Cross multiply
    339,376.56x = 468,283.44 × 196,149.94
  4. Step 4: Simplify right side
    339,376.56x = 91,853,768,658.99
  5. Step 5: Solve for x
    x = 91,853,768,658.99/339,376.56
  6. Step 6: Final answer
    x = 270,654.43

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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.