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Finding the Fourth Proportional to 568,266.29, 784,463.22 and 374,788.78

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Solution

The fourth proportional to 568,266.29, 784,463.22 and 374,788.78 is: 517,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,266.29 : 784,463.22 = 374,788.78 : x
  2. Step 2: Convert to fraction form
    568,266.29/784,463.22 = 374,788.78/x
  3. Step 3: Cross multiply
    568,266.29x = 784,463.22 × 374,788.78
  4. Step 4: Simplify right side
    568,266.29x = 294,008,013,178.67
  5. Step 5: Solve for x
    x = 294,008,013,178.67/568,266.29
  6. Step 6: Final answer
    x = 517,377.18

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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.