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Finding the Fourth Proportional to 567.38, 851.06 and 225.38

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Solution

The fourth proportional to 567.38, 851.06 and 225.38 is: 338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.38 : 851.06 = 225.38 : x
  2. Step 2: Convert to fraction form
    567.38/851.06 = 225.38/x
  3. Step 3: Cross multiply
    567.38x = 851.06 × 225.38
  4. Step 4: Simplify right side
    567.38x = 191,811.90
  5. Step 5: Solve for x
    x = 191,811.90/567.38
  6. Step 6: Final answer
    x = 338.07

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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.