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Finding the Fourth Proportional to 567.97, 851.96 and 157.10

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Solution

The fourth proportional to 567.97, 851.96 and 157.10 is: 235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 851.96 = 157.10 : x
  2. Step 2: Convert to fraction form
    567.97/851.96 = 157.10/x
  3. Step 3: Cross multiply
    567.97x = 851.96 × 157.10
  4. Step 4: Simplify right side
    567.97x = 133,838.54
  5. Step 5: Solve for x
    x = 133,838.54/567.97
  6. Step 6: Final answer
    x = 235.64

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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.