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Finding the Fourth Proportional to 345,204.44, 476,285.87 and 222,644.96

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Solution

The fourth proportional to 345,204.44, 476,285.87 and 222,644.96 is: 307,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,204.44 : 476,285.87 = 222,644.96 : x
  2. Step 2: Convert to fraction form
    345,204.44/476,285.87 = 222,644.96/x
  3. Step 3: Cross multiply
    345,204.44x = 476,285.87 × 222,644.96
  4. Step 4: Simplify right side
    345,204.44x = 106,042,648,474.72
  5. Step 5: Solve for x
    x = 106,042,648,474.72/345,204.44
  6. Step 6: Final answer
    x = 307,187.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.