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Finding the Fourth Proportional to 276,638.70, 414,958.05 and 246,745.16

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Solution

The fourth proportional to 276,638.70, 414,958.05 and 246,745.16 is: 370,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,638.70 : 414,958.05 = 246,745.16 : x
  2. Step 2: Convert to fraction form
    276,638.70/414,958.05 = 246,745.16/x
  3. Step 3: Cross multiply
    276,638.70x = 414,958.05 × 246,745.16
  4. Step 4: Simplify right side
    276,638.70x = 102,388,888,365.75
  5. Step 5: Solve for x
    x = 102,388,888,365.75/276,638.70
  6. Step 6: Final answer
    x = 370,117.73

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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.