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Finding the Fourth Proportional to 412.22, 568.81 and 246.37

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Solution

The fourth proportional to 412.22, 568.81 and 246.37 is: 339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.22 : 568.81 = 246.37 : x
  2. Step 2: Convert to fraction form
    412.22/568.81 = 246.37/x
  3. Step 3: Cross multiply
    412.22x = 568.81 × 246.37
  4. Step 4: Simplify right side
    412.22x = 140,137.72
  5. Step 5: Solve for x
    x = 140,137.72/412.22
  6. Step 6: Final answer
    x = 339.96

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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.