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Finding the Fourth Proportional to 567, 850.54 and 191.76

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Solution

The fourth proportional to 567, 850.54 and 191.76 is: 287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567 : 850.54 = 191.76 : x
  2. Step 2: Convert to fraction form
    567/850.54 = 191.76/x
  3. Step 3: Cross multiply
    567x = 850.54 × 191.76
  4. Step 4: Simplify right side
    567x = 163,099.55
  5. Step 5: Solve for x
    x = 163,099.55/567
  6. Step 6: Final answer
    x = 287.65

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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.