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Finding the Fourth Proportional to 378,454,755.60, 567,682,133.40 and 378,454,755.60

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Solution

The fourth proportional to 378,454,755.60, 567,682,133.40 and 378,454,755.60 is: 567,682,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,454,755.60 : 567,682,133.40 = 378,454,755.60 : x
  2. Step 2: Convert to fraction form
    378,454,755.60/567,682,133.40 = 378,454,755.60/x
  3. Step 3: Cross multiply
    378,454,755.60x = 567,682,133.40 × 378,454,755.60
  4. Step 4: Simplify right side
    378,454,755.60x = 214,842,003,054,383,616
  5. Step 5: Solve for x
    x = 214,842,003,054,383,616/378,454,755.60
  6. Step 6: Final answer
    x = 567,682,133.40

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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.