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Finding the Fourth Proportional to 353,988.36, 488,502.06 and 192,843.04

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Solution

The fourth proportional to 353,988.36, 488,502.06 and 192,843.04 is: 266,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,988.36 : 488,502.06 = 192,843.04 : x
  2. Step 2: Convert to fraction form
    353,988.36/488,502.06 = 192,843.04/x
  3. Step 3: Cross multiply
    353,988.36x = 488,502.06 × 192,843.04
  4. Step 4: Simplify right side
    353,988.36x = 94,204,222,296.66
  5. Step 5: Solve for x
    x = 94,204,222,296.66/353,988.36
  6. Step 6: Final answer
    x = 266,122.37

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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.