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Finding the Fourth Proportional to 412.11, 568.70 and 246.29

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Solution

The fourth proportional to 412.11, 568.70 and 246.29 is: 339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.11 : 568.70 = 246.29 : x
  2. Step 2: Convert to fraction form
    412.11/568.70 = 246.29/x
  3. Step 3: Cross multiply
    412.11x = 568.70 × 246.29
  4. Step 4: Simplify right side
    412.11x = 140,061.66
  5. Step 5: Solve for x
    x = 140,061.66/412.11
  6. Step 6: Final answer
    x = 339.86

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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.