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Finding the Fourth Proportional to 567.28, 850.92 and 156.42

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Solution

The fourth proportional to 567.28, 850.92 and 156.42 is: 234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.28 : 850.92 = 156.42 : x
  2. Step 2: Convert to fraction form
    567.28/850.92 = 156.42/x
  3. Step 3: Cross multiply
    567.28x = 850.92 × 156.42
  4. Step 4: Simplify right side
    567.28x = 133,100.91
  5. Step 5: Solve for x
    x = 133,100.91/567.28
  6. Step 6: Final answer
    x = 234.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.