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Finding the Fourth Proportional to 207,609.73, 311,414.58 and 49,838.18

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Solution

The fourth proportional to 207,609.73, 311,414.58 and 49,838.18 is: 74,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.73 : 311,414.58 = 49,838.18 : x
  2. Step 2: Convert to fraction form
    207,609.73/311,414.58 = 49,838.18/x
  3. Step 3: Cross multiply
    207,609.73x = 311,414.58 × 49,838.18
  4. Step 4: Simplify right side
    207,609.73x = 15,520,337,103.32
  5. Step 5: Solve for x
    x = 15,520,337,103.32/207,609.73
  6. Step 6: Final answer
    x = 74,757.27

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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.