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Finding the Fourth Proportional to 412.16, 568.76 and 237.47

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Solution

The fourth proportional to 412.16, 568.76 and 237.47 is: 327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.16 : 568.76 = 237.47 : x
  2. Step 2: Convert to fraction form
    412.16/568.76 = 237.47/x
  3. Step 3: Cross multiply
    412.16x = 568.76 × 237.47
  4. Step 4: Simplify right side
    412.16x = 135,059.41
  5. Step 5: Solve for x
    x = 135,059.41/412.16
  6. Step 6: Final answer
    x = 327.69

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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.