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Finding the Fourth Proportional to 736.89, 1,104.26 and 531.33

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Solution

The fourth proportional to 736.89, 1,104.26 and 531.33 is: 796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.89 : 1,104.26 = 531.33 : x
  2. Step 2: Convert to fraction form
    736.89/1,104.26 = 531.33/x
  3. Step 3: Cross multiply
    736.89x = 1,104.26 × 531.33
  4. Step 4: Simplify right side
    736.89x = 586,723.81
  5. Step 5: Solve for x
    x = 586,723.81/736.89
  6. Step 6: Final answer
    x = 796.22

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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.