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Finding the Fourth Proportional to 340,805.43, 470,332.04 and 187,843.41

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Solution

The fourth proportional to 340,805.43, 470,332.04 and 187,843.41 is: 259,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,805.43 : 470,332.04 = 187,843.41 : x
  2. Step 2: Convert to fraction form
    340,805.43/470,332.04 = 187,843.41/x
  3. Step 3: Cross multiply
    340,805.43x = 470,332.04 × 187,843.41
  4. Step 4: Simplify right side
    340,805.43x = 88,348,773,286.64
  5. Step 5: Solve for x
    x = 88,348,773,286.64/340,805.43
  6. Step 6: Final answer
    x = 259,235.23

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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.