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Finding the Fourth Proportional to 322,226.80, 482,879.40 and 223,615.60

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Solution

The fourth proportional to 322,226.80, 482,879.40 and 223,615.60 is: 335,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,226.80 : 482,879.40 = 223,615.60 : x
  2. Step 2: Convert to fraction form
    322,226.80/482,879.40 = 223,615.60/x
  3. Step 3: Cross multiply
    322,226.80x = 482,879.40 × 223,615.60
  4. Step 4: Simplify right side
    322,226.80x = 107,979,366,758.64
  5. Step 5: Solve for x
    x = 107,979,366,758.64/322,226.80
  6. Step 6: Final answer
    x = 335,103.62

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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.