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Finding the Fourth Proportional to 568,452.06, 784,443.29 and 313,797.78

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Solution

The fourth proportional to 568,452.06, 784,443.29 and 313,797.78 is: 433,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,452.06 : 784,443.29 = 313,797.78 : x
  2. Step 2: Convert to fraction form
    568,452.06/784,443.29 = 313,797.78/x
  3. Step 3: Cross multiply
    568,452.06x = 784,443.29 × 313,797.78
  4. Step 4: Simplify right side
    568,452.06x = 246,156,561,368.91
  5. Step 5: Solve for x
    x = 246,156,561,368.91/568,452.06
  6. Step 6: Final answer
    x = 433,029.59

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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.