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Finding the Fourth Proportional to 348,791.97, 481,191.93 and 219,502.62

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Solution

The fourth proportional to 348,791.97, 481,191.93 and 219,502.62 is: 302,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,791.97 : 481,191.93 = 219,502.62 : x
  2. Step 2: Convert to fraction form
    348,791.97/481,191.93 = 219,502.62/x
  3. Step 3: Cross multiply
    348,791.97x = 481,191.93 × 219,502.62
  4. Step 4: Simplify right side
    348,791.97x = 105,622,889,357.86
  5. Step 5: Solve for x
    x = 105,622,889,357.86/348,791.97
  6. Step 6: Final answer
    x = 302,824.89

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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.