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Finding the Fourth Proportional to 273.96, 377.94 and 174.36

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Solution

The fourth proportional to 273.96, 377.94 and 174.36 is: 240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.96 : 377.94 = 174.36 : x
  2. Step 2: Convert to fraction form
    273.96/377.94 = 174.36/x
  3. Step 3: Cross multiply
    273.96x = 377.94 × 174.36
  4. Step 4: Simplify right side
    273.96x = 65,897.62
  5. Step 5: Solve for x
    x = 65,897.62/273.96
  6. Step 6: Final answer
    x = 240.54

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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.