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Finding the Fourth Proportional to 313.97, 433.13 and 182.94

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Solution

The fourth proportional to 313.97, 433.13 and 182.94 is: 252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.97 : 433.13 = 182.94 : x
  2. Step 2: Convert to fraction form
    313.97/433.13 = 182.94/x
  3. Step 3: Cross multiply
    313.97x = 433.13 × 182.94
  4. Step 4: Simplify right side
    313.97x = 79,235.89
  5. Step 5: Solve for x
    x = 79,235.89/313.97
  6. Step 6: Final answer
    x = 252.37

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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.