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Finding the Fourth Proportional to 654,463.44, 981,716.63 and 181,109.16

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Solution

The fourth proportional to 654,463.44, 981,716.63 and 181,109.16 is: 271,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,463.44 : 981,716.63 = 181,109.16 : x
  2. Step 2: Convert to fraction form
    654,463.44/981,716.63 = 181,109.16/x
  3. Step 3: Cross multiply
    654,463.44x = 981,716.63 × 181,109.16
  4. Step 4: Simplify right side
    654,463.44x = 177,797,873,311.79
  5. Step 5: Solve for x
    x = 177,797,873,311.79/654,463.44
  6. Step 6: Final answer
    x = 271,669.68

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Similar ratio
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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.