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Finding the Fourth Proportional to 567.14, 850.75 and 156.31

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Solution

The fourth proportional to 567.14, 850.75 and 156.31 is: 234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.14 : 850.75 = 156.31 : x
  2. Step 2: Convert to fraction form
    567.14/850.75 = 156.31/x
  3. Step 3: Cross multiply
    567.14x = 850.75 × 156.31
  4. Step 4: Simplify right side
    567.14x = 132,978.21
  5. Step 5: Solve for x
    x = 132,978.21/567.14
  6. Step 6: Final answer
    x = 234.47

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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.