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Finding the Fourth Proportional to 884.69, 1,326.17 and 494.88

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Solution

The fourth proportional to 884.69, 1,326.17 and 494.88 is: 741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.69 : 1,326.17 = 494.88 : x
  2. Step 2: Convert to fraction form
    884.69/1,326.17 = 494.88/x
  3. Step 3: Cross multiply
    884.69x = 1,326.17 × 494.88
  4. Step 4: Simplify right side
    884.69x = 656,295.01
  5. Step 5: Solve for x
    x = 656,295.01/884.69
  6. Step 6: Final answer
    x = 741.84

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