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Finding the Fourth Proportional to 276,064.20, 414,096.30 and 247,195.80

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Solution

The fourth proportional to 276,064.20, 414,096.30 and 247,195.80 is: 370,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,064.20 : 414,096.30 = 247,195.80 : x
  2. Step 2: Convert to fraction form
    276,064.20/414,096.30 = 247,195.80/x
  3. Step 3: Cross multiply
    276,064.20x = 414,096.30 × 247,195.80
  4. Step 4: Simplify right side
    276,064.20x = 102,362,866,155.54
  5. Step 5: Solve for x
    x = 102,362,866,155.54/276,064.20
  6. Step 6: Final answer
    x = 370,793.70

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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.