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Finding the Fourth Proportional to 351.27, 526.97 and 134.83

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Solution

The fourth proportional to 351.27, 526.97 and 134.83 is: 202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.27 : 526.97 = 134.83 : x
  2. Step 2: Convert to fraction form
    351.27/526.97 = 134.83/x
  3. Step 3: Cross multiply
    351.27x = 526.97 × 134.83
  4. Step 4: Simplify right side
    351.27x = 71,049.71
  5. Step 5: Solve for x
    x = 71,049.71/351.27
  6. Step 6: Final answer
    x = 202.27

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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.