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Finding the Fourth Proportional to 411.84, 568 and 237.12

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Solution

The fourth proportional to 411.84, 568 and 237.12 is: 327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.84 : 568 = 237.12 : x
  2. Step 2: Convert to fraction form
    411.84/568 = 237.12/x
  3. Step 3: Cross multiply
    411.84x = 568 × 237.12
  4. Step 4: Simplify right side
    411.84x = 134,684.16
  5. Step 5: Solve for x
    x = 134,684.16/411.84
  6. Step 6: Final answer
    x = 327.03

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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.