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Finding the Fourth Proportional to 339,175.88, 468,039.30 and 188,261

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Solution

The fourth proportional to 339,175.88, 468,039.30 and 188,261 is: 259,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,175.88 : 468,039.30 = 188,261 : x
  2. Step 2: Convert to fraction form
    339,175.88/468,039.30 = 188,261/x
  3. Step 3: Cross multiply
    339,175.88x = 468,039.30 × 188,261
  4. Step 4: Simplify right side
    339,175.88x = 88,113,546,657.30
  5. Step 5: Solve for x
    x = 88,113,546,657.30/339,175.88
  6. Step 6: Final answer
    x = 259,787.18

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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.