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Finding the Fourth Proportional to 442.71, 610.98 and 246.24

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Solution

The fourth proportional to 442.71, 610.98 and 246.24 is: 339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.71 : 610.98 = 246.24 : x
  2. Step 2: Convert to fraction form
    442.71/610.98 = 246.24/x
  3. Step 3: Cross multiply
    442.71x = 610.98 × 246.24
  4. Step 4: Simplify right side
    442.71x = 150,447.72
  5. Step 5: Solve for x
    x = 150,447.72/442.71
  6. Step 6: Final answer
    x = 339.83

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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.