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Finding the Fourth Proportional to 731.25, 1,096.86 and 183.43

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Solution

The fourth proportional to 731.25, 1,096.86 and 183.43 is: 275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.25 : 1,096.86 = 183.43 : x
  2. Step 2: Convert to fraction form
    731.25/1,096.86 = 183.43/x
  3. Step 3: Cross multiply
    731.25x = 1,096.86 × 183.43
  4. Step 4: Simplify right side
    731.25x = 201,197.03
  5. Step 5: Solve for x
    x = 201,197.03/731.25
  6. Step 6: Final answer
    x = 275.14

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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.