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Finding the Fourth Proportional to 273.73, 377.60 and 173.97

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Solution

The fourth proportional to 273.73, 377.60 and 173.97 is: 239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.73 : 377.60 = 173.97 : x
  2. Step 2: Convert to fraction form
    273.73/377.60 = 173.97/x
  3. Step 3: Cross multiply
    273.73x = 377.60 × 173.97
  4. Step 4: Simplify right side
    273.73x = 65,690.56
  5. Step 5: Solve for x
    x = 65,690.56/273.73
  6. Step 6: Final answer
    x = 239.98

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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.