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Finding the Fourth Proportional to 568,760.14, 784,930.33 and 327,118.51

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Solution

The fourth proportional to 568,760.14, 784,930.33 and 327,118.51 is: 451,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,760.14 : 784,930.33 = 327,118.51 : x
  2. Step 2: Convert to fraction form
    568,760.14/784,930.33 = 327,118.51/x
  3. Step 3: Cross multiply
    568,760.14x = 784,930.33 × 327,118.51
  4. Step 4: Simplify right side
    568,760.14x = 256,765,240,003.41
  5. Step 5: Solve for x
    x = 256,765,240,003.41/568,760.14
  6. Step 6: Final answer
    x = 451,447.32

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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.