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Finding the Fourth Proportional to 568,212.74, 784,297.54 and 335,854.92

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Solution

The fourth proportional to 568,212.74, 784,297.54 and 335,854.92 is: 463,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,212.74 : 784,297.54 = 335,854.92 : x
  2. Step 2: Convert to fraction form
    568,212.74/784,297.54 = 335,854.92/x
  3. Step 3: Cross multiply
    568,212.74x = 784,297.54 × 335,854.92
  4. Step 4: Simplify right side
    568,212.74x = 263,410,187,552.90
  5. Step 5: Solve for x
    x = 263,410,187,552.90/568,212.74
  6. Step 6: Final answer
    x = 463,576.70

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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.