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Finding the Fourth Proportional to 339,076.76, 467,927.14 and 188,173.76

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Solution

The fourth proportional to 339,076.76, 467,927.14 and 188,173.76 is: 259,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,076.76 : 467,927.14 = 188,173.76 : x
  2. Step 2: Convert to fraction form
    339,076.76/467,927.14 = 188,173.76/x
  3. Step 3: Cross multiply
    339,076.76x = 467,927.14 × 188,173.76
  4. Step 4: Simplify right side
    339,076.76x = 88,051,609,339.85
  5. Step 5: Solve for x
    x = 88,051,609,339.85/339,076.76
  6. Step 6: Final answer
    x = 259,680.46

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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.