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Finding the Fourth Proportional to 632,960.20, 949,099.74 and 253,690.60

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Solution

The fourth proportional to 632,960.20, 949,099.74 and 253,690.60 is: 380,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,960.20 : 949,099.74 = 253,690.60 : x
  2. Step 2: Convert to fraction form
    632,960.20/949,099.74 = 253,690.60/x
  3. Step 3: Cross multiply
    632,960.20x = 949,099.74 × 253,690.60
  4. Step 4: Simplify right side
    632,960.20x = 240,777,682,500.44
  5. Step 5: Solve for x
    x = 240,777,682,500.44/632,960.20
  6. Step 6: Final answer
    x = 380,399.40

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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.