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Finding the Fourth Proportional to 531.02, 796.56 and 141.02

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Solution

The fourth proportional to 531.02, 796.56 and 141.02 is: 211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.02 : 796.56 = 141.02 : x
  2. Step 2: Convert to fraction form
    531.02/796.56 = 141.02/x
  3. Step 3: Cross multiply
    531.02x = 796.56 × 141.02
  4. Step 4: Simplify right side
    531.02x = 112,326.91
  5. Step 5: Solve for x
    x = 112,326.91/531.02
  6. Step 6: Final answer
    x = 211.53

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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.