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Finding the Fourth Proportional to 404,149.40, 606,880.20 and 227,002.40

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Solution

The fourth proportional to 404,149.40, 606,880.20 and 227,002.40 is: 340,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,149.40 : 606,880.20 = 227,002.40 : x
  2. Step 2: Convert to fraction form
    404,149.40/606,880.20 = 227,002.40/x
  3. Step 3: Cross multiply
    404,149.40x = 606,880.20 × 227,002.40
  4. Step 4: Simplify right side
    404,149.40x = 137,763,261,912.48
  5. Step 5: Solve for x
    x = 137,763,261,912.48/404,149.40
  6. Step 6: Final answer
    x = 340,872.12

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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.