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Finding the Fourth Proportional to 276,679.26, 414,723.24 and 197,553.60

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Solution

The fourth proportional to 276,679.26, 414,723.24 and 197,553.60 is: 296,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,679.26 : 414,723.24 = 197,553.60 : x
  2. Step 2: Convert to fraction form
    276,679.26/414,723.24 = 197,553.60/x
  3. Step 3: Cross multiply
    276,679.26x = 414,723.24 × 197,553.60
  4. Step 4: Simplify right side
    276,679.26x = 81,930,069,065.66
  5. Step 5: Solve for x
    x = 81,930,069,065.66/276,679.26
  6. Step 6: Final answer
    x = 296,119.30

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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.