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Finding the Fourth Proportional to 736.53, 1,104.21 and 249.33

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Solution

The fourth proportional to 736.53, 1,104.21 and 249.33 is: 373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.53 : 1,104.21 = 249.33 : x
  2. Step 2: Convert to fraction form
    736.53/1,104.21 = 249.33/x
  3. Step 3: Cross multiply
    736.53x = 1,104.21 × 249.33
  4. Step 4: Simplify right side
    736.53x = 275,312.68
  5. Step 5: Solve for x
    x = 275,312.68/736.53
  6. Step 6: Final answer
    x = 373.80

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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.