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Finding the Fourth Proportional to 568,497.68, 784,552.20 and 326,858.64

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Solution

The fourth proportional to 568,497.68, 784,552.20 and 326,858.64 is: 451,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,497.68 : 784,552.20 = 326,858.64 : x
  2. Step 2: Convert to fraction form
    568,497.68/784,552.20 = 326,858.64/x
  3. Step 3: Cross multiply
    568,497.68x = 784,552.20 × 326,858.64
  4. Step 4: Simplify right side
    568,497.68x = 256,437,665,101.01
  5. Step 5: Solve for x
    x = 256,437,665,101.01/568,497.68
  6. Step 6: Final answer
    x = 451,079.53

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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.