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Finding the Fourth Proportional to 327,316,616.60, 490,974,924.90 and 327,316,616.60

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Solution

The fourth proportional to 327,316,616.60, 490,974,924.90 and 327,316,616.60 is: 490,974,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,316,616.60 : 490,974,924.90 = 327,316,616.60 : x
  2. Step 2: Convert to fraction form
    327,316,616.60/490,974,924.90 = 327,316,616.60/x
  3. Step 3: Cross multiply
    327,316,616.60x = 490,974,924.90 × 327,316,616.60
  4. Step 4: Simplify right side
    327,316,616.60x = 160,704,251,253,707,104
  5. Step 5: Solve for x
    x = 160,704,251,253,707,104/327,316,616.60
  6. Step 6: Final answer
    x = 490,974,924.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.