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Finding the Fourth Proportional to 217,344,540.60, 326,016,810.90 and 217,344,540.60

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Solution

The fourth proportional to 217,344,540.60, 326,016,810.90 and 217,344,540.60 is: 326,016,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,344,540.60 : 326,016,810.90 = 217,344,540.60 : x
  2. Step 2: Convert to fraction form
    217,344,540.60/326,016,810.90 = 217,344,540.60/x
  3. Step 3: Cross multiply
    217,344,540.60x = 326,016,810.90 × 217,344,540.60
  4. Step 4: Simplify right side
    217,344,540.60x = 70,857,973,992,937,568
  5. Step 5: Solve for x
    x = 70,857,973,992,937,568/217,344,540.60
  6. Step 6: Final answer
    x = 326,016,810.90

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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.