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Finding the Fourth Proportional to 404,177,796.80, 606,266,695.20 and 251,122,788.80

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Solution

The fourth proportional to 404,177,796.80, 606,266,695.20 and 251,122,788.80 is: 376,684,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,177,796.80 : 606,266,695.20 = 251,122,788.80 : x
  2. Step 2: Convert to fraction form
    404,177,796.80/606,266,695.20 = 251,122,788.80/x
  3. Step 3: Cross multiply
    404,177,796.80x = 606,266,695.20 × 251,122,788.80
  4. Step 4: Simplify right side
    404,177,796.80x = 152,247,383,255,183,584
  5. Step 5: Solve for x
    x = 152,247,383,255,183,584/404,177,796.80
  6. Step 6: Final answer
    x = 376,684,183.20

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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.