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Finding the Fourth Proportional to 441,703.60, 662,728.20 and 161,249.20

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Solution

The fourth proportional to 441,703.60, 662,728.20 and 161,249.20 is: 241,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,703.60 : 662,728.20 = 161,249.20 : x
  2. Step 2: Convert to fraction form
    441,703.60/662,728.20 = 161,249.20/x
  3. Step 3: Cross multiply
    441,703.60x = 662,728.20 × 161,249.20
  4. Step 4: Simplify right side
    441,703.60x = 106,864,392,067.44
  5. Step 5: Solve for x
    x = 106,864,392,067.44/441,703.60
  6. Step 6: Final answer
    x = 241,936.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.