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Finding the Fourth Proportional to 537,908.20, 806,516.70 and 222,490.60

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Solution

The fourth proportional to 537,908.20, 806,516.70 and 222,490.60 is: 333,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,908.20 : 806,516.70 = 222,490.60 : x
  2. Step 2: Convert to fraction form
    537,908.20/806,516.70 = 222,490.60/x
  3. Step 3: Cross multiply
    537,908.20x = 806,516.70 × 222,490.60
  4. Step 4: Simplify right side
    537,908.20x = 179,442,384,493.02
  5. Step 5: Solve for x
    x = 179,442,384,493.02/537,908.20
  6. Step 6: Final answer
    x = 333,592.95

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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.