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Finding the Fourth Proportional to 863.82, 1,192.01 and 532.26

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Solution

The fourth proportional to 863.82, 1,192.01 and 532.26 is: 734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    863.82 : 1,192.01 = 532.26 : x
  2. Step 2: Convert to fraction form
    863.82/1,192.01 = 532.26/x
  3. Step 3: Cross multiply
    863.82x = 1,192.01 × 532.26
  4. Step 4: Simplify right side
    863.82x = 634,456.58
  5. Step 5: Solve for x
    x = 634,456.58/863.82
  6. Step 6: Final answer
    x = 734.48

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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.