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Finding the Fourth Proportional to 322,227.80, 482,880.90 and 223,616.60

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Solution

The fourth proportional to 322,227.80, 482,880.90 and 223,616.60 is: 335,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,227.80 : 482,880.90 = 223,616.60 : x
  2. Step 2: Convert to fraction form
    322,227.80/482,880.90 = 223,616.60/x
  3. Step 3: Cross multiply
    322,227.80x = 482,880.90 × 223,616.60
  4. Step 4: Simplify right side
    322,227.80x = 107,980,185,062.94
  5. Step 5: Solve for x
    x = 107,980,185,062.94/322,227.80
  6. Step 6: Final answer
    x = 335,105.12

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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.