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Finding the Fourth Proportional to 411.84, 568.17 and 246.02

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Solution

The fourth proportional to 411.84, 568.17 and 246.02 is: 339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.84 : 568.17 = 246.02 : x
  2. Step 2: Convert to fraction form
    411.84/568.17 = 246.02/x
  3. Step 3: Cross multiply
    411.84x = 568.17 × 246.02
  4. Step 4: Simplify right side
    411.84x = 139,778.34
  5. Step 5: Solve for x
    x = 139,778.34/411.84
  6. Step 6: Final answer
    x = 339.40

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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.