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Finding the Fourth Proportional to 731.11, 1,096.64 and 183.28

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Solution

The fourth proportional to 731.11, 1,096.64 and 183.28 is: 274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.11 : 1,096.64 = 183.28 : x
  2. Step 2: Convert to fraction form
    731.11/1,096.64 = 183.28/x
  3. Step 3: Cross multiply
    731.11x = 1,096.64 × 183.28
  4. Step 4: Simplify right side
    731.11x = 200,991.26
  5. Step 5: Solve for x
    x = 200,991.26/731.11
  6. Step 6: Final answer
    x = 274.91

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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.