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Finding the Fourth Proportional to 367,049.50, 550,468.46 and 100,818.70

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Solution

The fourth proportional to 367,049.50, 550,468.46 and 100,818.70 is: 151,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,049.50 : 550,468.46 = 100,818.70 : x
  2. Step 2: Convert to fraction form
    367,049.50/550,468.46 = 100,818.70/x
  3. Step 3: Cross multiply
    367,049.50x = 550,468.46 × 100,818.70
  4. Step 4: Simplify right side
    367,049.50x = 55,497,514,528.20
  5. Step 5: Solve for x
    x = 55,497,514,528.20/367,049.50
  6. Step 6: Final answer
    x = 151,198.99

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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.