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Finding the Fourth Proportional to 494.67, 682.65 and 273.61

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Solution

The fourth proportional to 494.67, 682.65 and 273.61 is: 377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.67 : 682.65 = 273.61 : x
  2. Step 2: Convert to fraction form
    494.67/682.65 = 273.61/x
  3. Step 3: Cross multiply
    494.67x = 682.65 × 273.61
  4. Step 4: Simplify right side
    494.67x = 186,778.50
  5. Step 5: Solve for x
    x = 186,778.50/494.67
  6. Step 6: Final answer
    x = 377.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.