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Finding the Fourth Proportional to 281,894,414.60, 422,841,621.90 and 281,894,414.60

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Solution

The fourth proportional to 281,894,414.60, 422,841,621.90 and 281,894,414.60 is: 422,841,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,894,414.60 : 422,841,621.90 = 281,894,414.60 : x
  2. Step 2: Convert to fraction form
    281,894,414.60/422,841,621.90 = 281,894,414.60/x
  3. Step 3: Cross multiply
    281,894,414.60x = 422,841,621.90 × 281,894,414.60
  4. Step 4: Simplify right side
    281,894,414.60x = 119,196,691,474,015,040
  5. Step 5: Solve for x
    x = 119,196,691,474,015,040/281,894,414.60
  6. Step 6: Final answer
    x = 422,841,621.90

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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.