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Finding the Fourth Proportional to 568,236.20, 784,299.94 and 326,658.92

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Solution

The fourth proportional to 568,236.20, 784,299.94 and 326,658.92 is: 450,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,236.20 : 784,299.94 = 326,658.92 : x
  2. Step 2: Convert to fraction form
    568,236.20/784,299.94 = 326,658.92/x
  3. Step 3: Cross multiply
    568,236.20x = 784,299.94 × 326,658.92
  4. Step 4: Simplify right side
    568,236.20x = 256,198,571,356.47
  5. Step 5: Solve for x
    x = 256,198,571,356.47/568,236.20
  6. Step 6: Final answer
    x = 450,866.33

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Double scale
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Similar ratio
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1.5x scale

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.