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Finding the Fourth Proportional to 312.33, 468.63 and 182.37

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Solution

The fourth proportional to 312.33, 468.63 and 182.37 is: 273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.33 : 468.63 = 182.37 : x
  2. Step 2: Convert to fraction form
    312.33/468.63 = 182.37/x
  3. Step 3: Cross multiply
    312.33x = 468.63 × 182.37
  4. Step 4: Simplify right side
    312.33x = 85,464.05
  5. Step 5: Solve for x
    x = 85,464.05/312.33
  6. Step 6: Final answer
    x = 273.63

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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.