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Finding the Fourth Proportional to 340,745.62, 470,232.17 and 187,789.32

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Solution

The fourth proportional to 340,745.62, 470,232.17 and 187,789.32 is: 259,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,745.62 : 470,232.17 = 187,789.32 : x
  2. Step 2: Convert to fraction form
    340,745.62/470,232.17 = 187,789.32/x
  3. Step 3: Cross multiply
    340,745.62x = 470,232.17 × 187,789.32
  4. Step 4: Simplify right side
    340,745.62x = 88,304,577,823.68
  5. Step 5: Solve for x
    x = 88,304,577,823.68/340,745.62
  6. Step 6: Final answer
    x = 259,151.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.