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Finding the Fourth Proportional to 313.96, 433.25 and 182.96

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Solution

The fourth proportional to 313.96, 433.25 and 182.96 is: 252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.96 : 433.25 = 182.96 : x
  2. Step 2: Convert to fraction form
    313.96/433.25 = 182.96/x
  3. Step 3: Cross multiply
    313.96x = 433.25 × 182.96
  4. Step 4: Simplify right side
    313.96x = 79,267.42
  5. Step 5: Solve for x
    x = 79,267.42/313.96
  6. Step 6: Final answer
    x = 252.48

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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.