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Finding the Fourth Proportional to 355.52, 533.44 and 163.04

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Solution

The fourth proportional to 355.52, 533.44 and 163.04 is: 244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.52 : 533.44 = 163.04 : x
  2. Step 2: Convert to fraction form
    355.52/533.44 = 163.04/x
  3. Step 3: Cross multiply
    355.52x = 533.44 × 163.04
  4. Step 4: Simplify right side
    355.52x = 86,972.06
  5. Step 5: Solve for x
    x = 86,972.06/355.52
  6. Step 6: Final answer
    x = 244.63

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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.