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Finding the Fourth Proportional to 355.82, 533.21 and 182.23

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Solution

The fourth proportional to 355.82, 533.21 and 182.23 is: 273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.82 : 533.21 = 182.23 : x
  2. Step 2: Convert to fraction form
    355.82/533.21 = 182.23/x
  3. Step 3: Cross multiply
    355.82x = 533.21 × 182.23
  4. Step 4: Simplify right side
    355.82x = 97,164.61
  5. Step 5: Solve for x
    x = 97,164.61/355.82
  6. Step 6: Final answer
    x = 273.08

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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.