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Finding the Fourth Proportional to 275,325.61, 379,241.41 and 194,614.37

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Solution

The fourth proportional to 275,325.61, 379,241.41 and 194,614.37 is: 268,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,325.61 : 379,241.41 = 194,614.37 : x
  2. Step 2: Convert to fraction form
    275,325.61/379,241.41 = 194,614.37/x
  3. Step 3: Cross multiply
    275,325.61x = 379,241.41 × 194,614.37
  4. Step 4: Simplify right side
    275,325.61x = 73,805,827,734.96
  5. Step 5: Solve for x
    x = 73,805,827,734.96/275,325.61
  6. Step 6: Final answer
    x = 268,067.43

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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.