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Finding the Fourth Proportional to 339,550.56, 468,556.74 and 186,599.43

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Solution

The fourth proportional to 339,550.56, 468,556.74 and 186,599.43 is: 257,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,550.56 : 468,556.74 = 186,599.43 : x
  2. Step 2: Convert to fraction form
    339,550.56/468,556.74 = 186,599.43/x
  3. Step 3: Cross multiply
    339,550.56x = 468,556.74 × 186,599.43
  4. Step 4: Simplify right side
    339,550.56x = 87,432,420,606.66
  5. Step 5: Solve for x
    x = 87,432,420,606.66/339,550.56
  6. Step 6: Final answer
    x = 257,494.56

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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.