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Finding the Fourth Proportional to 339,351.23, 468,310.50 and 186,395.87

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Solution

The fourth proportional to 339,351.23, 468,310.50 and 186,395.87 is: 257,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,351.23 : 468,310.50 = 186,395.87 : x
  2. Step 2: Convert to fraction form
    339,351.23/468,310.50 = 186,395.87/x
  3. Step 3: Cross multiply
    339,351.23x = 468,310.50 × 186,395.87
  4. Step 4: Simplify right side
    339,351.23x = 87,291,140,736.08
  5. Step 5: Solve for x
    x = 87,291,140,736.08/339,351.23
  6. Step 6: Final answer
    x = 257,229.48

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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.