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Finding the Fourth Proportional to 547.03, 820.34 and 222.29

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Solution

The fourth proportional to 547.03, 820.34 and 222.29 is: 333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.03 : 820.34 = 222.29 : x
  2. Step 2: Convert to fraction form
    547.03/820.34 = 222.29/x
  3. Step 3: Cross multiply
    547.03x = 820.34 × 222.29
  4. Step 4: Simplify right side
    547.03x = 182,348.17
  5. Step 5: Solve for x
    x = 182,348.17/547.03
  6. Step 6: Final answer
    x = 333.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.