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Finding the Fourth Proportional to 731.36, 1,097.03 and 183.56

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Solution

The fourth proportional to 731.36, 1,097.03 and 183.56 is: 275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.36 : 1,097.03 = 183.56 : x
  2. Step 2: Convert to fraction form
    731.36/1,097.03 = 183.56/x
  3. Step 3: Cross multiply
    731.36x = 1,097.03 × 183.56
  4. Step 4: Simplify right side
    731.36x = 201,365.80
  5. Step 5: Solve for x
    x = 201,365.80/731.36
  6. Step 6: Final answer
    x = 275.33

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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.