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Finding the Fourth Proportional to 281,626.40, 422,439.60 and 246,634.40

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Solution

The fourth proportional to 281,626.40, 422,439.60 and 246,634.40 is: 369,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,626.40 : 422,439.60 = 246,634.40 : x
  2. Step 2: Convert to fraction form
    281,626.40/422,439.60 = 246,634.40/x
  3. Step 3: Cross multiply
    281,626.40x = 422,439.60 × 246,634.40
  4. Step 4: Simplify right side
    281,626.40x = 104,188,137,282.24
  5. Step 5: Solve for x
    x = 104,188,137,282.24/281,626.40
  6. Step 6: Final answer
    x = 369,951.60

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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.