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Finding the Fourth Proportional to 322,169.84, 444,568.29 and 186,212.55

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Solution

The fourth proportional to 322,169.84, 444,568.29 and 186,212.55 is: 256,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,169.84 : 444,568.29 = 186,212.55 : x
  2. Step 2: Convert to fraction form
    322,169.84/444,568.29 = 186,212.55/x
  3. Step 3: Cross multiply
    322,169.84x = 444,568.29 × 186,212.55
  4. Step 4: Simplify right side
    322,169.84x = 82,784,194,930.04
  5. Step 5: Solve for x
    x = 82,784,194,930.04/322,169.84
  6. Step 6: Final answer
    x = 256,958.24

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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.