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Finding the Fourth Proportional to 665,983.20, 998,974.80 and 466,528.80

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Solution

The fourth proportional to 665,983.20, 998,974.80 and 466,528.80 is: 699,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,983.20 : 998,974.80 = 466,528.80 : x
  2. Step 2: Convert to fraction form
    665,983.20/998,974.80 = 466,528.80/x
  3. Step 3: Cross multiply
    665,983.20x = 998,974.80 × 466,528.80
  4. Step 4: Simplify right side
    665,983.20x = 466,050,514,674.24
  5. Step 5: Solve for x
    x = 466,050,514,674.24/665,983.20
  6. Step 6: Final answer
    x = 699,793.20

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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.