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Finding the Fourth Proportional to 418,067.32, 627,058.26 and 114,488.47

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Solution

The fourth proportional to 418,067.32, 627,058.26 and 114,488.47 is: 171,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,067.32 : 627,058.26 = 114,488.47 : x
  2. Step 2: Convert to fraction form
    418,067.32/627,058.26 = 114,488.47/x
  3. Step 3: Cross multiply
    418,067.32x = 627,058.26 × 114,488.47
  4. Step 4: Simplify right side
    418,067.32x = 71,790,940,788.26
  5. Step 5: Solve for x
    x = 71,790,940,788.26/418,067.32
  6. Step 6: Final answer
    x = 171,721.01

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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.