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Finding the Fourth Proportional to 531.14, 796.72 and 165.93

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Solution

The fourth proportional to 531.14, 796.72 and 165.93 is: 248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.14 : 796.72 = 165.93 : x
  2. Step 2: Convert to fraction form
    531.14/796.72 = 165.93/x
  3. Step 3: Cross multiply
    531.14x = 796.72 × 165.93
  4. Step 4: Simplify right side
    531.14x = 132,202.12
  5. Step 5: Solve for x
    x = 132,202.12/531.14
  6. Step 6: Final answer
    x = 248.90

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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.