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Finding the Fourth Proportional to 404,286.89, 557,906.13 and 222,994.92

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Solution

The fourth proportional to 404,286.89, 557,906.13 and 222,994.92 is: 307,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,286.89 : 557,906.13 = 222,994.92 : x
  2. Step 2: Convert to fraction form
    404,286.89/557,906.13 = 222,994.92/x
  3. Step 3: Cross multiply
    404,286.89x = 557,906.13 × 222,994.92
  4. Step 4: Simplify right side
    404,286.89x = 124,410,232,826.86
  5. Step 5: Solve for x
    x = 124,410,232,826.86/404,286.89
  6. Step 6: Final answer
    x = 307,727.60

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1.5x scale

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.