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Finding the Fourth Proportional to 355.49, 533.56 and 182.28

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Solution

The fourth proportional to 355.49, 533.56 and 182.28 is: 273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.49 : 533.56 = 182.28 : x
  2. Step 2: Convert to fraction form
    355.49/533.56 = 182.28/x
  3. Step 3: Cross multiply
    355.49x = 533.56 × 182.28
  4. Step 4: Simplify right side
    355.49x = 97,257.32
  5. Step 5: Solve for x
    x = 97,257.32/355.49
  6. Step 6: Final answer
    x = 273.59

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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.