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Finding the Fourth Proportional to 263.04, 394.24 and 134.52

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Solution

The fourth proportional to 263.04, 394.24 and 134.52 is: 201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.04 : 394.24 = 134.52 : x
  2. Step 2: Convert to fraction form
    263.04/394.24 = 134.52/x
  3. Step 3: Cross multiply
    263.04x = 394.24 × 134.52
  4. Step 4: Simplify right side
    263.04x = 53,033.16
  5. Step 5: Solve for x
    x = 53,033.16/263.04
  6. Step 6: Final answer
    x = 201.62

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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.