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Finding the Fourth Proportional to 322,157.10, 444,523.42 and 186,203.73

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Solution

The fourth proportional to 322,157.10, 444,523.42 and 186,203.73 is: 256,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,157.10 : 444,523.42 = 186,203.73 : x
  2. Step 2: Convert to fraction form
    322,157.10/444,523.42 = 186,203.73/x
  3. Step 3: Cross multiply
    322,157.10x = 444,523.42 × 186,203.73
  4. Step 4: Simplify right side
    322,157.10x = 82,771,918,876.36
  5. Step 5: Solve for x
    x = 82,771,918,876.36/322,157.10
  6. Step 6: Final answer
    x = 256,930.30

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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.