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Finding the Fourth Proportional to 568,563.02, 784,616.70 and 326,892.80

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Solution

The fourth proportional to 568,563.02, 784,616.70 and 326,892.80 is: 451,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,563.02 : 784,616.70 = 326,892.80 : x
  2. Step 2: Convert to fraction form
    568,563.02/784,616.70 = 326,892.80/x
  3. Step 3: Cross multiply
    568,563.02x = 784,616.70 × 326,892.80
  4. Step 4: Simplify right side
    568,563.02x = 256,485,549,989.76
  5. Step 5: Solve for x
    x = 256,485,549,989.76/568,563.02
  6. Step 6: Final answer
    x = 451,111.91

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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.