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Finding the Fourth Proportional to 313.93, 433.13 and 182.92

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Solution

The fourth proportional to 313.93, 433.13 and 182.92 is: 252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.93 : 433.13 = 182.92 : x
  2. Step 2: Convert to fraction form
    313.93/433.13 = 182.92/x
  3. Step 3: Cross multiply
    313.93x = 433.13 × 182.92
  4. Step 4: Simplify right side
    313.93x = 79,228.14
  5. Step 5: Solve for x
    x = 79,228.14/313.93
  6. Step 6: Final answer
    x = 252.38

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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.