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Finding the Fourth Proportional to 322,212.80, 482,858.40 and 223,601.60

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Solution

The fourth proportional to 322,212.80, 482,858.40 and 223,601.60 is: 335,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,212.80 : 482,858.40 = 223,601.60 : x
  2. Step 2: Convert to fraction form
    322,212.80/482,858.40 = 223,601.60/x
  3. Step 3: Cross multiply
    322,212.80x = 482,858.40 × 223,601.60
  4. Step 4: Simplify right side
    322,212.80x = 107,967,910,813.44
  5. Step 5: Solve for x
    x = 107,967,910,813.44/322,212.80
  6. Step 6: Final answer
    x = 335,082.62

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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.