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Finding the Fourth Proportional to 418,387.46, 627,227.49 and 181,551.02

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Solution

The fourth proportional to 418,387.46, 627,227.49 and 181,551.02 is: 272,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,387.46 : 627,227.49 = 181,551.02 : x
  2. Step 2: Convert to fraction form
    418,387.46/627,227.49 = 181,551.02/x
  3. Step 3: Cross multiply
    418,387.46x = 627,227.49 × 181,551.02
  4. Step 4: Simplify right side
    418,387.46x = 113,873,790,581.54
  5. Step 5: Solve for x
    x = 113,873,790,581.54/418,387.46
  6. Step 6: Final answer
    x = 272,173.05

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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.