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Finding the Fourth Proportional to 322,229.74, 444,618.42 and 186,213.84

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Solution

The fourth proportional to 322,229.74, 444,618.42 and 186,213.84 is: 256,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,229.74 : 444,618.42 = 186,213.84 : x
  2. Step 2: Convert to fraction form
    322,229.74/444,618.42 = 186,213.84/x
  3. Step 3: Cross multiply
    322,229.74x = 444,618.42 × 186,213.84
  4. Step 4: Simplify right side
    322,229.74x = 82,794,103,322.93
  5. Step 5: Solve for x
    x = 82,794,103,322.93/322,229.74
  6. Step 6: Final answer
    x = 256,941.22

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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.