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Finding the Fourth Proportional to 276,414.73, 414,605.69 and 162,626.54

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Solution

The fourth proportional to 276,414.73, 414,605.69 and 162,626.54 is: 243,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,414.73 : 414,605.69 = 162,626.54 : x
  2. Step 2: Convert to fraction form
    276,414.73/414,605.69 = 162,626.54/x
  3. Step 3: Cross multiply
    276,414.73x = 414,605.69 × 162,626.54
  4. Step 4: Simplify right side
    276,414.73x = 67,425,886,552.70
  5. Step 5: Solve for x
    x = 67,425,886,552.70/276,414.73
  6. Step 6: Final answer
    x = 243,930.15

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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.