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Finding the Fourth Proportional to 844.24, 1,164.96 and 548.96

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Solution

The fourth proportional to 844.24, 1,164.96 and 548.96 is: 757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.24 : 1,164.96 = 548.96 : x
  2. Step 2: Convert to fraction form
    844.24/1,164.96 = 548.96/x
  3. Step 3: Cross multiply
    844.24x = 1,164.96 × 548.96
  4. Step 4: Simplify right side
    844.24x = 639,516.44
  5. Step 5: Solve for x
    x = 639,516.44/844.24
  6. Step 6: Final answer
    x = 757.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.