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Finding the Fourth Proportional to 884.18, 1,326.17 and 537.41

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Solution

The fourth proportional to 884.18, 1,326.17 and 537.41 is: 806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.18 : 1,326.17 = 537.41 : x
  2. Step 2: Convert to fraction form
    884.18/1,326.17 = 537.41/x
  3. Step 3: Cross multiply
    884.18x = 1,326.17 × 537.41
  4. Step 4: Simplify right side
    884.18x = 712,687.70
  5. Step 5: Solve for x
    x = 712,687.70/884.18
  6. Step 6: Final answer
    x = 806.05

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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.