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Finding the Fourth Proportional to 419,904,027.30, 628,722,300.15 and 419,904,027.30

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Solution

The fourth proportional to 419,904,027.30, 628,722,300.15 and 419,904,027.30 is: 628,722,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,027.30 : 628,722,300.15 = 419,904,027.30 : x
  2. Step 2: Convert to fraction form
    419,904,027.30/628,722,300.15 = 419,904,027.30/x
  3. Step 3: Cross multiply
    419,904,027.30x = 628,722,300.15 × 419,904,027.30
  4. Step 4: Simplify right side
    419,904,027.30x = 264,003,025,886,304,384
  5. Step 5: Solve for x
    x = 264,003,025,886,304,384/419,904,027.30
  6. Step 6: Final answer
    x = 628,722,300.15

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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.