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Finding the Fourth Proportional to 338,997.45, 467,782.42 and 203,027.91

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Solution

The fourth proportional to 338,997.45, 467,782.42 and 203,027.91 is: 280,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,997.45 : 467,782.42 = 203,027.91 : x
  2. Step 2: Convert to fraction form
    338,997.45/467,782.42 = 203,027.91/x
  3. Step 3: Cross multiply
    338,997.45x = 467,782.42 × 203,027.91
  4. Step 4: Simplify right side
    338,997.45x = 94,972,888,744.37
  5. Step 5: Solve for x
    x = 94,972,888,744.37/338,997.45
  6. Step 6: Final answer
    x = 280,158.12

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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.