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Finding the Fourth Proportional to 253.46, 349.57 and 183.38

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Solution

The fourth proportional to 253.46, 349.57 and 183.38 is: 252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.46 : 349.57 = 183.38 : x
  2. Step 2: Convert to fraction form
    253.46/349.57 = 183.38/x
  3. Step 3: Cross multiply
    253.46x = 349.57 × 183.38
  4. Step 4: Simplify right side
    253.46x = 64,104.15
  5. Step 5: Solve for x
    x = 64,104.15/253.46
  6. Step 6: Final answer
    x = 252.92

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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.