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Finding the Fourth Proportional to 568,732.30, 784,869.94 and 336,358.43

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Solution

The fourth proportional to 568,732.30, 784,869.94 and 336,358.43 is: 464,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,732.30 : 784,869.94 = 336,358.43 : x
  2. Step 2: Convert to fraction form
    568,732.30/784,869.94 = 336,358.43/x
  3. Step 3: Cross multiply
    568,732.30x = 784,869.94 × 336,358.43
  4. Step 4: Simplify right side
    568,732.30x = 263,997,620,772.59
  5. Step 5: Solve for x
    x = 263,997,620,772.59/568,732.30
  6. Step 6: Final answer
    x = 464,186.09

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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.