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Finding the Fourth Proportional to 843.52, 1,164.24 and 532.96

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Solution

The fourth proportional to 843.52, 1,164.24 and 532.96 is: 735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843.52 : 1,164.24 = 532.96 : x
  2. Step 2: Convert to fraction form
    843.52/1,164.24 = 532.96/x
  3. Step 3: Cross multiply
    843.52x = 1,164.24 × 532.96
  4. Step 4: Simplify right side
    843.52x = 620,493.35
  5. Step 5: Solve for x
    x = 620,493.35/843.52
  6. Step 6: Final answer
    x = 735.60

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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.