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Finding the Fourth Proportional to 568,197.88, 784,247.28 and 326,620.60

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Solution

The fourth proportional to 568,197.88, 784,247.28 and 326,620.60 is: 450,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,197.88 : 784,247.28 = 326,620.60 : x
  2. Step 2: Convert to fraction form
    568,197.88/784,247.28 = 326,620.60/x
  3. Step 3: Cross multiply
    568,197.88x = 784,247.28 × 326,620.60
  4. Step 4: Simplify right side
    568,197.88x = 256,151,317,141.97
  5. Step 5: Solve for x
    x = 256,151,317,141.97/568,197.88
  6. Step 6: Final answer
    x = 450,813.57

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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.