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Finding the Fourth Proportional to 339,255.10, 468,153.76 and 188,342.38

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Solution

The fourth proportional to 339,255.10, 468,153.76 and 188,342.38 is: 259,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,255.10 : 468,153.76 = 188,342.38 : x
  2. Step 2: Convert to fraction form
    339,255.10/468,153.76 = 188,342.38/x
  3. Step 3: Cross multiply
    339,255.10x = 468,153.76 × 188,342.38
  4. Step 4: Simplify right side
    339,255.10x = 88,173,193,364.35
  5. Step 5: Solve for x
    x = 88,173,193,364.35/339,255.10
  6. Step 6: Final answer
    x = 259,902.34

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