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Finding the Fourth Proportional to 888,276.80, 1,331,954.40 and 327,022.40

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Solution

The fourth proportional to 888,276.80, 1,331,954.40 and 327,022.40 is: 490,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,276.80 : 1,331,954.40 = 327,022.40 : x
  2. Step 2: Convert to fraction form
    888,276.80/1,331,954.40 = 327,022.40/x
  3. Step 3: Cross multiply
    888,276.80x = 1,331,954.40 × 327,022.40
  4. Step 4: Simplify right side
    888,276.80x = 435,578,924,578.56
  5. Step 5: Solve for x
    x = 435,578,924,578.56/888,276.80
  6. Step 6: Final answer
    x = 490,363.95

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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.