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Finding the Fourth Proportional to 568,567.56, 784,635.48 and 313,934.88

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Solution

The fourth proportional to 568,567.56, 784,635.48 and 313,934.88 is: 433,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,567.56 : 784,635.48 = 313,934.88 : x
  2. Step 2: Convert to fraction form
    568,567.56/784,635.48 = 313,934.88/x
  3. Step 3: Cross multiply
    568,567.56x = 784,635.48 × 313,934.88
  4. Step 4: Simplify right side
    568,567.56x = 246,324,445,257.54
  5. Step 5: Solve for x
    x = 246,324,445,257.54/568,567.56
  6. Step 6: Final answer
    x = 433,236.90

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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.