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Finding the Fourth Proportional to 394.24, 544.08 and 246.82

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Solution

The fourth proportional to 394.24, 544.08 and 246.82 is: 340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.24 : 544.08 = 246.82 : x
  2. Step 2: Convert to fraction form
    394.24/544.08 = 246.82/x
  3. Step 3: Cross multiply
    394.24x = 544.08 × 246.82
  4. Step 4: Simplify right side
    394.24x = 134,289.83
  5. Step 5: Solve for x
    x = 134,289.83/394.24
  6. Step 6: Final answer
    x = 340.63

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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.