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Finding the Fourth Proportional to 736.24, 1,104.52 and 216.22

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Solution

The fourth proportional to 736.24, 1,104.52 and 216.22 is: 324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.24 : 1,104.52 = 216.22 : x
  2. Step 2: Convert to fraction form
    736.24/1,104.52 = 216.22/x
  3. Step 3: Cross multiply
    736.24x = 1,104.52 × 216.22
  4. Step 4: Simplify right side
    736.24x = 238,819.31
  5. Step 5: Solve for x
    x = 238,819.31/736.24
  6. Step 6: Final answer
    x = 324.38

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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.