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Finding the Fourth Proportional to 248.94, 345.94 and 246.44

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Solution

The fourth proportional to 248.94, 345.94 and 246.44 is: 342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.94 : 345.94 = 246.44 : x
  2. Step 2: Convert to fraction form
    248.94/345.94 = 246.44/x
  3. Step 3: Cross multiply
    248.94x = 345.94 × 246.44
  4. Step 4: Simplify right side
    248.94x = 85,253.70
  5. Step 5: Solve for x
    x = 85,253.70/248.94
  6. Step 6: Final answer
    x = 342.47

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.