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Finding the Fourth Proportional to 339,558.38, 467,997.44 and 248,721.36

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Solution

The fourth proportional to 339,558.38, 467,997.44 and 248,721.36 is: 342,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,558.38 : 467,997.44 = 248,721.36 : x
  2. Step 2: Convert to fraction form
    339,558.38/467,997.44 = 248,721.36/x
  3. Step 3: Cross multiply
    339,558.38x = 467,997.44 × 248,721.36
  4. Step 4: Simplify right side
    339,558.38x = 116,400,959,753.32
  5. Step 5: Solve for x
    x = 116,400,959,753.32/339,558.38
  6. Step 6: Final answer
    x = 342,801.02

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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.