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Finding the Fourth Proportional to 339,323.13, 468,323.51 and 196,166.43

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Solution

The fourth proportional to 339,323.13, 468,323.51 and 196,166.43 is: 270,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,323.13 : 468,323.51 = 196,166.43 : x
  2. Step 2: Convert to fraction form
    339,323.13/468,323.51 = 196,166.43/x
  3. Step 3: Cross multiply
    339,323.13x = 468,323.51 × 196,166.43
  4. Step 4: Simplify right side
    339,323.13x = 91,869,350,060.94
  5. Step 5: Solve for x
    x = 91,869,350,060.94/339,323.13
  6. Step 6: Final answer
    x = 270,742.96

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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.