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Finding the Fourth Proportional to 245.36, 338.48 and 182.99

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Solution

The fourth proportional to 245.36, 338.48 and 182.99 is: 252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.36 : 338.48 = 182.99 : x
  2. Step 2: Convert to fraction form
    245.36/338.48 = 182.99/x
  3. Step 3: Cross multiply
    245.36x = 338.48 × 182.99
  4. Step 4: Simplify right side
    245.36x = 61,939.07
  5. Step 5: Solve for x
    x = 61,939.07/245.36
  6. Step 6: Final answer
    x = 252.44

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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.