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Finding the Fourth Proportional to 494.55, 681.75 and 363.33

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Solution

The fourth proportional to 494.55, 681.75 and 363.33 is: 500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.55 : 681.75 = 363.33 : x
  2. Step 2: Convert to fraction form
    494.55/681.75 = 363.33/x
  3. Step 3: Cross multiply
    494.55x = 681.75 × 363.33
  4. Step 4: Simplify right side
    494.55x = 247,700.23
  5. Step 5: Solve for x
    x = 247,700.23/494.55
  6. Step 6: Final answer
    x = 500.86

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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.