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Finding the Fourth Proportional to 567.56, 851.18 and 156.58

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Solution

The fourth proportional to 567.56, 851.18 and 156.58 is: 234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.56 : 851.18 = 156.58 : x
  2. Step 2: Convert to fraction form
    567.56/851.18 = 156.58/x
  3. Step 3: Cross multiply
    567.56x = 851.18 × 156.58
  4. Step 4: Simplify right side
    567.56x = 133,280.96
  5. Step 5: Solve for x
    x = 133,280.96/567.56
  6. Step 6: Final answer
    x = 234.83

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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.