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Finding the Fourth Proportional to 793.44, 1,095.12 and 531.18

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Solution

The fourth proportional to 793.44, 1,095.12 and 531.18 is: 733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.44 : 1,095.12 = 531.18 : x
  2. Step 2: Convert to fraction form
    793.44/1,095.12 = 531.18/x
  3. Step 3: Cross multiply
    793.44x = 1,095.12 × 531.18
  4. Step 4: Simplify right side
    793.44x = 581,705.84
  5. Step 5: Solve for x
    x = 581,705.84/793.44
  6. Step 6: Final answer
    x = 733.14

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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.