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Finding the Fourth Proportional to 537,760.20, 806,640.30 and 163,734.60

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Solution

The fourth proportional to 537,760.20, 806,640.30 and 163,734.60 is: 245,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,760.20 : 806,640.30 = 163,734.60 : x
  2. Step 2: Convert to fraction form
    537,760.20/806,640.30 = 163,734.60/x
  3. Step 3: Cross multiply
    537,760.20x = 806,640.30 × 163,734.60
  4. Step 4: Simplify right side
    537,760.20x = 132,074,926,864.38
  5. Step 5: Solve for x
    x = 132,074,926,864.38/537,760.20
  6. Step 6: Final answer
    x = 245,601.90

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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.