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Finding the Fourth Proportional to 339,093.91, 467,958 and 186,147.28

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Solution

The fourth proportional to 339,093.91, 467,958 and 186,147.28 is: 256,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,093.91 : 467,958 = 186,147.28 : x
  2. Step 2: Convert to fraction form
    339,093.91/467,958 = 186,147.28/x
  3. Step 3: Cross multiply
    339,093.91x = 467,958 × 186,147.28
  4. Step 4: Simplify right side
    339,093.91x = 87,109,108,854.24
  5. Step 5: Solve for x
    x = 87,109,108,854.24/339,093.91
  6. Step 6: Final answer
    x = 256,887.86

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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.