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Finding the Fourth Proportional to 339,474.24, 468,491.04 and 188,568

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Solution

The fourth proportional to 339,474.24, 468,491.04 and 188,568 is: 260,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,474.24 : 468,491.04 = 188,568 : x
  2. Step 2: Convert to fraction form
    339,474.24/468,491.04 = 188,568/x
  3. Step 3: Cross multiply
    339,474.24x = 468,491.04 × 188,568
  4. Step 4: Simplify right side
    339,474.24x = 88,342,418,430.72
  5. Step 5: Solve for x
    x = 88,342,418,430.72/339,474.24
  6. Step 6: Final answer
    x = 260,233.05

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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.