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Finding the Fourth Proportional to 339,701.57, 468,892.48 and 218,842.41

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Solution

The fourth proportional to 339,701.57, 468,892.48 and 218,842.41 is: 302,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,701.57 : 468,892.48 = 218,842.41 : x
  2. Step 2: Convert to fraction form
    339,701.57/468,892.48 = 218,842.41/x
  3. Step 3: Cross multiply
    339,701.57x = 468,892.48 × 218,842.41
  4. Step 4: Simplify right side
    339,701.57x = 102,613,561,975.65
  5. Step 5: Solve for x
    x = 102,613,561,975.65/339,701.57
  6. Step 6: Final answer
    x = 302,069.73

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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.