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Finding the Fourth Proportional to 799.24, 1,198.46 and 336.54

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Solution

The fourth proportional to 799.24, 1,198.46 and 336.54 is: 504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.24 : 1,198.46 = 336.54 : x
  2. Step 2: Convert to fraction form
    799.24/1,198.46 = 336.54/x
  3. Step 3: Cross multiply
    799.24x = 1,198.46 × 336.54
  4. Step 4: Simplify right side
    799.24x = 403,329.73
  5. Step 5: Solve for x
    x = 403,329.73/799.24
  6. Step 6: Final answer
    x = 504.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.