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Finding the Fourth Proportional to 563.14, 845.11 and 197.96

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Solution

The fourth proportional to 563.14, 845.11 and 197.96 is: 297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.14 : 845.11 = 197.96 : x
  2. Step 2: Convert to fraction form
    563.14/845.11 = 197.96/x
  3. Step 3: Cross multiply
    563.14x = 845.11 × 197.96
  4. Step 4: Simplify right side
    563.14x = 167,293.26
  5. Step 5: Solve for x
    x = 167,293.26/563.14
  6. Step 6: Final answer
    x = 297.07

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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.