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Finding the Fourth Proportional to 339,587,794.60, 509,381,691.90 and 339,587,794.60

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Solution

The fourth proportional to 339,587,794.60, 509,381,691.90 and 339,587,794.60 is: 509,381,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,587,794.60 : 509,381,691.90 = 339,587,794.60 : x
  2. Step 2: Convert to fraction form
    339,587,794.60/509,381,691.90 = 339,587,794.60/x
  3. Step 3: Cross multiply
    339,587,794.60x = 509,381,691.90 × 339,587,794.60
  4. Step 4: Simplify right side
    339,587,794.60x = 172,979,805,361,937,696
  5. Step 5: Solve for x
    x = 172,979,805,361,937,696/339,587,794.60
  6. Step 6: Final answer
    x = 509,381,691.90

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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.