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Finding the Fourth Proportional to 353.27, 529.97 and 133.99

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Solution

The fourth proportional to 353.27, 529.97 and 133.99 is: 201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.27 : 529.97 = 133.99 : x
  2. Step 2: Convert to fraction form
    353.27/529.97 = 133.99/x
  3. Step 3: Cross multiply
    353.27x = 529.97 × 133.99
  4. Step 4: Simplify right side
    353.27x = 71,011.30
  5. Step 5: Solve for x
    x = 71,011.30/353.27
  6. Step 6: Final answer
    x = 201.01

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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.