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Finding the Fourth Proportional to 273.67, 410.08 and 170.68

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Solution

The fourth proportional to 273.67, 410.08 and 170.68 is: 255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.67 : 410.08 = 170.68 : x
  2. Step 2: Convert to fraction form
    273.67/410.08 = 170.68/x
  3. Step 3: Cross multiply
    273.67x = 410.08 × 170.68
  4. Step 4: Simplify right side
    273.67x = 69,992.45
  5. Step 5: Solve for x
    x = 69,992.45/273.67
  6. Step 6: Final answer
    x = 255.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.