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Finding the Fourth Proportional to 531.36, 796.99 and 141.37

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Solution

The fourth proportional to 531.36, 796.99 and 141.37 is: 212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.36 : 796.99 = 141.37 : x
  2. Step 2: Convert to fraction form
    531.36/796.99 = 141.37/x
  3. Step 3: Cross multiply
    531.36x = 796.99 × 141.37
  4. Step 4: Simplify right side
    531.36x = 112,667.78
  5. Step 5: Solve for x
    x = 112,667.78/531.36
  6. Step 6: Final answer
    x = 212.04

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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.