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Finding the Fourth Proportional to 736.63, 1,104.94 and 223.63

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Solution

The fourth proportional to 736.63, 1,104.94 and 223.63 is: 335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.63 : 1,104.94 = 223.63 : x
  2. Step 2: Convert to fraction form
    736.63/1,104.94 = 223.63/x
  3. Step 3: Cross multiply
    736.63x = 1,104.94 × 223.63
  4. Step 4: Simplify right side
    736.63x = 247,097.73
  5. Step 5: Solve for x
    x = 247,097.73/736.63
  6. Step 6: Final answer
    x = 335.44

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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.