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Finding the Fourth Proportional to 737.27, 1,105.89 and 304.13

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Solution

The fourth proportional to 737.27, 1,105.89 and 304.13 is: 456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.27 : 1,105.89 = 304.13 : x
  2. Step 2: Convert to fraction form
    737.27/1,105.89 = 304.13/x
  3. Step 3: Cross multiply
    737.27x = 1,105.89 × 304.13
  4. Step 4: Simplify right side
    737.27x = 336,334.33
  5. Step 5: Solve for x
    x = 336,334.33/737.27
  6. Step 6: Final answer
    x = 456.19

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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.