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Finding the Fourth Proportional to 339,430.43, 468,361.95 and 196,162.82

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Solution

The fourth proportional to 339,430.43, 468,361.95 and 196,162.82 is: 270,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,430.43 : 468,361.95 = 196,162.82 : x
  2. Step 2: Convert to fraction form
    339,430.43/468,361.95 = 196,162.82/x
  3. Step 3: Cross multiply
    339,430.43x = 468,361.95 × 196,162.82
  4. Step 4: Simplify right side
    339,430.43x = 91,875,200,892.70
  5. Step 5: Solve for x
    x = 91,875,200,892.70/339,430.43
  6. Step 6: Final answer
    x = 270,674.61

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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.