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Finding the Fourth Proportional to 400,015.80, 599,246.10 and 222,204.60

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Solution

The fourth proportional to 400,015.80, 599,246.10 and 222,204.60 is: 332,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,015.80 : 599,246.10 = 222,204.60 : x
  2. Step 2: Convert to fraction form
    400,015.80/599,246.10 = 222,204.60/x
  3. Step 3: Cross multiply
    400,015.80x = 599,246.10 × 222,204.60
  4. Step 4: Simplify right side
    400,015.80x = 133,155,239,952.06
  5. Step 5: Solve for x
    x = 133,155,239,952.06/400,015.80
  6. Step 6: Final answer
    x = 332,874.95

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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.