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Finding the Fourth Proportional to 269,081,617.80, 376,969,356.60 and 269,081,617.80

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Solution

The fourth proportional to 269,081,617.80, 376,969,356.60 and 269,081,617.80 is: 376,969,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,081,617.80 : 376,969,356.60 = 269,081,617.80 : x
  2. Step 2: Convert to fraction form
    269,081,617.80/376,969,356.60 = 269,081,617.80/x
  3. Step 3: Cross multiply
    269,081,617.80x = 376,969,356.60 × 269,081,617.80
  4. Step 4: Simplify right side
    269,081,617.80x = 101,435,524,334,953,120
  5. Step 5: Solve for x
    x = 101,435,524,334,953,120/269,081,617.80
  6. Step 6: Final answer
    x = 376,969,356.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.