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Finding the Fourth Proportional to 338,997.95, 467,783.11 and 203,028.42

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Solution

The fourth proportional to 338,997.95, 467,783.11 and 203,028.42 is: 280,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,997.95 : 467,783.11 = 203,028.42 : x
  2. Step 2: Convert to fraction form
    338,997.95/467,783.11 = 203,028.42/x
  3. Step 3: Cross multiply
    338,997.95x = 467,783.11 × 203,028.42
  4. Step 4: Simplify right side
    338,997.95x = 94,973,263,387.07
  5. Step 5: Solve for x
    x = 94,973,263,387.07/338,997.95
  6. Step 6: Final answer
    x = 280,158.81

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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.