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Finding the Fourth Proportional to 313.24, 432.04 and 182.24

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Solution

The fourth proportional to 313.24, 432.04 and 182.24 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.24 : 432.04 = 182.24 : x
  2. Step 2: Convert to fraction form
    313.24/432.04 = 182.24/x
  3. Step 3: Cross multiply
    313.24x = 432.04 × 182.24
  4. Step 4: Simplify right side
    313.24x = 78,734.97
  5. Step 5: Solve for x
    x = 78,734.97/313.24
  6. Step 6: Final answer
    x = 251.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.