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Finding the Fourth Proportional to 418,183.98, 627,276.47 and 114,580.73

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Solution

The fourth proportional to 418,183.98, 627,276.47 and 114,580.73 is: 171,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,183.98 : 627,276.47 = 114,580.73 : x
  2. Step 2: Convert to fraction form
    418,183.98/627,276.47 = 114,580.73/x
  3. Step 3: Cross multiply
    418,183.98x = 627,276.47 × 114,580.73
  4. Step 4: Simplify right side
    418,183.98x = 71,873,792,135.14
  5. Step 5: Solve for x
    x = 71,873,792,135.14/418,183.98
  6. Step 6: Final answer
    x = 171,871.22

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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.