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Finding the Fourth Proportional to 276,912.20, 414,785.10 and 224,424.20

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Solution

The fourth proportional to 276,912.20, 414,785.10 and 224,424.20 is: 336,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,912.20 : 414,785.10 = 224,424.20 : x
  2. Step 2: Convert to fraction form
    276,912.20/414,785.10 = 224,424.20/x
  3. Step 3: Cross multiply
    276,912.20x = 414,785.10 × 224,424.20
  4. Step 4: Simplify right side
    276,912.20x = 93,087,814,239.42
  5. Step 5: Solve for x
    x = 93,087,814,239.42/276,912.20
  6. Step 6: Final answer
    x = 336,163.64

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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.