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Finding the Fourth Proportional to 568,213.74, 784,298.92 and 335,855.92

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Solution

The fourth proportional to 568,213.74, 784,298.92 and 335,855.92 is: 463,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,213.74 : 784,298.92 = 335,855.92 : x
  2. Step 2: Convert to fraction form
    568,213.74/784,298.92 = 335,855.92/x
  3. Step 3: Cross multiply
    568,213.74x = 784,298.92 × 335,855.92
  4. Step 4: Simplify right side
    568,213.74x = 263,411,435,331.61
  5. Step 5: Solve for x
    x = 263,411,435,331.61/568,213.74
  6. Step 6: Final answer
    x = 463,578.08

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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.