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Finding the Fourth Proportional to 884.24, 1,326.56 and 451.29

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Solution

The fourth proportional to 884.24, 1,326.56 and 451.29 is: 677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.24 : 1,326.56 = 451.29 : x
  2. Step 2: Convert to fraction form
    884.24/1,326.56 = 451.29/x
  3. Step 3: Cross multiply
    884.24x = 1,326.56 × 451.29
  4. Step 4: Simplify right side
    884.24x = 598,661.01
  5. Step 5: Solve for x
    x = 598,661.01/884.24
  6. Step 6: Final answer
    x = 677.04

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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.