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Finding the Fourth Proportional to 312.24, 468.54 and 182.48

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Solution

The fourth proportional to 312.24, 468.54 and 182.48 is: 273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.24 : 468.54 = 182.48 : x
  2. Step 2: Convert to fraction form
    312.24/468.54 = 182.48/x
  3. Step 3: Cross multiply
    312.24x = 468.54 × 182.48
  4. Step 4: Simplify right side
    312.24x = 85,499.18
  5. Step 5: Solve for x
    x = 85,499.18/312.24
  6. Step 6: Final answer
    x = 273.83

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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.