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Finding the Fourth Proportional to 276,657.80, 414,986.70 and 246,914.60

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Solution

The fourth proportional to 276,657.80, 414,986.70 and 246,914.60 is: 370,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,657.80 : 414,986.70 = 246,914.60 : x
  2. Step 2: Convert to fraction form
    276,657.80/414,986.70 = 246,914.60/x
  3. Step 3: Cross multiply
    276,657.80x = 414,986.70 × 246,914.60
  4. Step 4: Simplify right side
    276,657.80x = 102,466,275,035.82
  5. Step 5: Solve for x
    x = 102,466,275,035.82/276,657.80
  6. Step 6: Final answer
    x = 370,371.90

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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.