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Finding the Fourth Proportional to 494.94, 682.97 and 273.89

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Solution

The fourth proportional to 494.94, 682.97 and 273.89 is: 377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.94 : 682.97 = 273.89 : x
  2. Step 2: Convert to fraction form
    494.94/682.97 = 273.89/x
  3. Step 3: Cross multiply
    494.94x = 682.97 × 273.89
  4. Step 4: Simplify right side
    494.94x = 187,053.87
  5. Step 5: Solve for x
    x = 187,053.87/494.94
  6. Step 6: Final answer
    x = 377.93

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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.