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Finding the Fourth Proportional to 252,601,422.60, 378,902,133.90 and 252,601,422.60

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Solution

The fourth proportional to 252,601,422.60, 378,902,133.90 and 252,601,422.60 is: 378,902,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601,422.60 : 378,902,133.90 = 252,601,422.60 : x
  2. Step 2: Convert to fraction form
    252,601,422.60/378,902,133.90 = 252,601,422.60/x
  3. Step 3: Cross multiply
    252,601,422.60x = 378,902,133.90 × 252,601,422.60
  4. Step 4: Simplify right side
    252,601,422.60x = 95,711,218,049,315,680
  5. Step 5: Solve for x
    x = 95,711,218,049,315,680/252,601,422.60
  6. Step 6: Final answer
    x = 378,902,133.90

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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.