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Finding the Fourth Proportional to 568,793.72, 784,903.02 and 327,037.88

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Solution

The fourth proportional to 568,793.72, 784,903.02 and 327,037.88 is: 451,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,793.72 : 784,903.02 = 327,037.88 : x
  2. Step 2: Convert to fraction form
    568,793.72/784,903.02 = 327,037.88/x
  3. Step 3: Cross multiply
    568,793.72x = 784,903.02 × 327,037.88
  4. Step 4: Simplify right side
    568,793.72x = 256,693,019,666.40
  5. Step 5: Solve for x
    x = 256,693,019,666.40/568,793.72
  6. Step 6: Final answer
    x = 451,293.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.