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Finding the Fourth Proportional to 793.26, 1,190.30 and 733.12

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Solution

The fourth proportional to 793.26, 1,190.30 and 733.12 is: 1,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.26 : 1,190.30 = 733.12 : x
  2. Step 2: Convert to fraction form
    793.26/1,190.30 = 733.12/x
  3. Step 3: Cross multiply
    793.26x = 1,190.30 × 733.12
  4. Step 4: Simplify right side
    793.26x = 872,626.09
  5. Step 5: Solve for x
    x = 872,626.09/793.26
  6. Step 6: Final answer
    x = 1,100.05

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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.