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Finding the Fourth Proportional to 418,184.98, 627,277.97 and 114,581.73

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Solution

The fourth proportional to 418,184.98, 627,277.97 and 114,581.73 is: 171,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,184.98 : 627,277.97 = 114,581.73 : x
  2. Step 2: Convert to fraction form
    418,184.98/627,277.97 = 114,581.73/x
  3. Step 3: Cross multiply
    418,184.98x = 627,277.97 × 114,581.73
  4. Step 4: Simplify right side
    418,184.98x = 71,874,594,993.49
  5. Step 5: Solve for x
    x = 71,874,594,993.49/418,184.98
  6. Step 6: Final answer
    x = 171,872.73

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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.