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Finding the Fourth Proportional to 793.13, 1,094.96 and 531.30

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Solution

The fourth proportional to 793.13, 1,094.96 and 531.30 is: 733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.13 : 1,094.96 = 531.30 : x
  2. Step 2: Convert to fraction form
    793.13/1,094.96 = 531.30/x
  3. Step 3: Cross multiply
    793.13x = 1,094.96 × 531.30
  4. Step 4: Simplify right side
    793.13x = 581,752.25
  5. Step 5: Solve for x
    x = 581,752.25/793.13
  6. Step 6: Final answer
    x = 733.49

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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.