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Finding the Fourth Proportional to 736.41, 1,104.61 and 223.41

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Solution

The fourth proportional to 736.41, 1,104.61 and 223.41 is: 335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.41 : 1,104.61 = 223.41 : x
  2. Step 2: Convert to fraction form
    736.41/1,104.61 = 223.41/x
  3. Step 3: Cross multiply
    736.41x = 1,104.61 × 223.41
  4. Step 4: Simplify right side
    736.41x = 246,780.36
  5. Step 5: Solve for x
    x = 246,780.36/736.41
  6. Step 6: Final answer
    x = 335.11

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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.