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Finding the Fourth Proportional to 731.30, 1,096.94 and 183.49

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Solution

The fourth proportional to 731.30, 1,096.94 and 183.49 is: 275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.30 : 1,096.94 = 183.49 : x
  2. Step 2: Convert to fraction form
    731.30/1,096.94 = 183.49/x
  3. Step 3: Cross multiply
    731.30x = 1,096.94 × 183.49
  4. Step 4: Simplify right side
    731.30x = 201,275.24
  5. Step 5: Solve for x
    x = 201,275.24/731.30
  6. Step 6: Final answer
    x = 275.23

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Double scale
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Similar ratio
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1.5x scale

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.