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Finding the Fourth Proportional to 655,049.98, 981,919.05 and 276,062.14

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Solution

The fourth proportional to 655,049.98, 981,919.05 and 276,062.14 is: 413,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,049.98 : 981,919.05 = 276,062.14 : x
  2. Step 2: Convert to fraction form
    655,049.98/981,919.05 = 276,062.14/x
  3. Step 3: Cross multiply
    655,049.98x = 981,919.05 × 276,062.14
  4. Step 4: Simplify right side
    655,049.98x = 271,070,674,249.77
  5. Step 5: Solve for x
    x = 271,070,674,249.77/655,049.98
  6. Step 6: Final answer
    x = 413,816.78

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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.