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Finding the Fourth Proportional to 567.92, 851.42 and 243.03

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Solution

The fourth proportional to 567.92, 851.42 and 243.03 is: 364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.92 : 851.42 = 243.03 : x
  2. Step 2: Convert to fraction form
    567.92/851.42 = 243.03/x
  3. Step 3: Cross multiply
    567.92x = 851.42 × 243.03
  4. Step 4: Simplify right side
    567.92x = 206,919.39
  5. Step 5: Solve for x
    x = 206,919.39/567.92
  6. Step 6: Final answer
    x = 364.35

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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.