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Finding the Fourth Proportional to 731.90, 1,097.84 and 184.08

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Solution

The fourth proportional to 731.90, 1,097.84 and 184.08 is: 276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.90 : 1,097.84 = 184.08 : x
  2. Step 2: Convert to fraction form
    731.90/1,097.84 = 184.08/x
  3. Step 3: Cross multiply
    731.90x = 1,097.84 × 184.08
  4. Step 4: Simplify right side
    731.90x = 202,090.39
  5. Step 5: Solve for x
    x = 202,090.39/731.90
  6. Step 6: Final answer
    x = 276.12

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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.