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Finding the Fourth Proportional to 351.94, 527.91 and 95.44

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Solution

The fourth proportional to 351.94, 527.91 and 95.44 is: 143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.94 : 527.91 = 95.44 : x
  2. Step 2: Convert to fraction form
    351.94/527.91 = 95.44/x
  3. Step 3: Cross multiply
    351.94x = 527.91 × 95.44
  4. Step 4: Simplify right side
    351.94x = 50,383.73
  5. Step 5: Solve for x
    x = 50,383.73/351.94
  6. Step 6: Final answer
    x = 143.16

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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.