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Finding the Fourth Proportional to 531.33, 796.97 and 141.32

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Solution

The fourth proportional to 531.33, 796.97 and 141.32 is: 211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.33 : 796.97 = 141.32 : x
  2. Step 2: Convert to fraction form
    531.33/796.97 = 141.32/x
  3. Step 3: Cross multiply
    531.33x = 796.97 × 141.32
  4. Step 4: Simplify right side
    531.33x = 112,623.11
  5. Step 5: Solve for x
    x = 112,623.11/531.33
  6. Step 6: Final answer
    x = 211.96

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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.