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Finding the Fourth Proportional to 252,601,851.10, 378,902,776.65 and 252,601,851.10

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Solution

The fourth proportional to 252,601,851.10, 378,902,776.65 and 252,601,851.10 is: 378,902,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601,851.10 : 378,902,776.65 = 252,601,851.10 : x
  2. Step 2: Convert to fraction form
    252,601,851.10/378,902,776.65 = 252,601,851.10/x
  3. Step 3: Cross multiply
    252,601,851.10x = 378,902,776.65 × 252,601,851.10
  4. Step 4: Simplify right side
    252,601,851.10x = 95,711,542,768,719,856
  5. Step 5: Solve for x
    x = 95,711,542,768,719,856/252,601,851.10
  6. Step 6: Final answer
    x = 378,902,776.65

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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.