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Finding the Fourth Proportional to 411.72, 568 and 237.04

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Solution

The fourth proportional to 411.72, 568 and 237.04 is: 327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.72 : 568 = 237.04 : x
  2. Step 2: Convert to fraction form
    411.72/568 = 237.04/x
  3. Step 3: Cross multiply
    411.72x = 568 × 237.04
  4. Step 4: Simplify right side
    411.72x = 134,638.72
  5. Step 5: Solve for x
    x = 134,638.72/411.72
  6. Step 6: Final answer
    x = 327.02

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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.