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Finding the Fourth Proportional to 299.74, 451.65 and 246.82

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Solution

The fourth proportional to 299.74, 451.65 and 246.82 is: 371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.74 : 451.65 = 246.82 : x
  2. Step 2: Convert to fraction form
    299.74/451.65 = 246.82/x
  3. Step 3: Cross multiply
    299.74x = 451.65 × 246.82
  4. Step 4: Simplify right side
    299.74x = 111,476.25
  5. Step 5: Solve for x
    x = 111,476.25/299.74
  6. Step 6: Final answer
    x = 371.91

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.