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Finding the Fourth Proportional to 348,880.96, 481,449.90 and 195,920.56

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Solution

The fourth proportional to 348,880.96, 481,449.90 and 195,920.56 is: 270,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,880.96 : 481,449.90 = 195,920.56 : x
  2. Step 2: Convert to fraction form
    348,880.96/481,449.90 = 195,920.56/x
  3. Step 3: Cross multiply
    348,880.96x = 481,449.90 × 195,920.56
  4. Step 4: Simplify right side
    348,880.96x = 94,325,934,019.94
  5. Step 5: Solve for x
    x = 94,325,934,019.94/348,880.96
  6. Step 6: Final answer
    x = 270,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.