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Finding the Fourth Proportional to 412.05, 568.41 and 246.24

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Solution

The fourth proportional to 412.05, 568.41 and 246.24 is: 339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.05 : 568.41 = 246.24 : x
  2. Step 2: Convert to fraction form
    412.05/568.41 = 246.24/x
  3. Step 3: Cross multiply
    412.05x = 568.41 × 246.24
  4. Step 4: Simplify right side
    412.05x = 139,965.28
  5. Step 5: Solve for x
    x = 139,965.28/412.05
  6. Step 6: Final answer
    x = 339.68

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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.