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Finding the Fourth Proportional to 414,799.20, 622,198.80 and 148,568.40

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Solution

The fourth proportional to 414,799.20, 622,198.80 and 148,568.40 is: 222,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,799.20 : 622,198.80 = 148,568.40 : x
  2. Step 2: Convert to fraction form
    414,799.20/622,198.80 = 148,568.40/x
  3. Step 3: Cross multiply
    414,799.20x = 622,198.80 × 148,568.40
  4. Step 4: Simplify right side
    414,799.20x = 92,439,080,197.92
  5. Step 5: Solve for x
    x = 92,439,080,197.92/414,799.20
  6. Step 6: Final answer
    x = 222,852.60

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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.