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Finding the Fourth Proportional to 731.37, 1,097.04 and 183.55

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Solution

The fourth proportional to 731.37, 1,097.04 and 183.55 is: 275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.37 : 1,097.04 = 183.55 : x
  2. Step 2: Convert to fraction form
    731.37/1,097.04 = 183.55/x
  3. Step 3: Cross multiply
    731.37x = 1,097.04 × 183.55
  4. Step 4: Simplify right side
    731.37x = 201,358.95
  5. Step 5: Solve for x
    x = 201,358.95/731.37
  6. Step 6: Final answer
    x = 275.32

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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.