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Finding the Fourth Proportional to 276,635.10, 414,624.60 and 248,422.80

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Solution

The fourth proportional to 276,635.10, 414,624.60 and 248,422.80 is: 372,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,635.10 : 414,624.60 = 248,422.80 : x
  2. Step 2: Convert to fraction form
    276,635.10/414,624.60 = 248,422.80/x
  3. Step 3: Cross multiply
    276,635.10x = 414,624.60 × 248,422.80
  4. Step 4: Simplify right side
    276,635.10x = 103,002,204,080.88
  5. Step 5: Solve for x
    x = 103,002,204,080.88/276,635.10
  6. Step 6: Final answer
    x = 372,339.61

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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.