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Finding the Fourth Proportional to 567.88, 851.79 and 157.04

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Solution

The fourth proportional to 567.88, 851.79 and 157.04 is: 235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.88 : 851.79 = 157.04 : x
  2. Step 2: Convert to fraction form
    567.88/851.79 = 157.04/x
  3. Step 3: Cross multiply
    567.88x = 851.79 × 157.04
  4. Step 4: Simplify right side
    567.88x = 133,760.84
  5. Step 5: Solve for x
    x = 133,760.84/567.88
  6. Step 6: Final answer
    x = 235.55

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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.