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Finding the Fourth Proportional to 412.12, 568.58 and 237.34

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Solution

The fourth proportional to 412.12, 568.58 and 237.34 is: 327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.12 : 568.58 = 237.34 : x
  2. Step 2: Convert to fraction form
    412.12/568.58 = 237.34/x
  3. Step 3: Cross multiply
    412.12x = 568.58 × 237.34
  4. Step 4: Simplify right side
    412.12x = 134,946.78
  5. Step 5: Solve for x
    x = 134,946.78/412.12
  6. Step 6: Final answer
    x = 327.45

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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.