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Finding the Fourth Proportional to 339,179.88, 468,044.80 and 188,265

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Solution

The fourth proportional to 339,179.88, 468,044.80 and 188,265 is: 259,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,179.88 : 468,044.80 = 188,265 : x
  2. Step 2: Convert to fraction form
    339,179.88/468,044.80 = 188,265/x
  3. Step 3: Cross multiply
    339,179.88x = 468,044.80 × 188,265
  4. Step 4: Simplify right side
    339,179.88x = 88,116,454,272
  5. Step 5: Solve for x
    x = 88,116,454,272/339,179.88
  6. Step 6: Final answer
    x = 259,792.69

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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.