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Finding the Fourth Proportional to 345,505.44, 476,797.97 and 192,540.29

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Solution

The fourth proportional to 345,505.44, 476,797.97 and 192,540.29 is: 265,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,505.44 : 476,797.97 = 192,540.29 : x
  2. Step 2: Convert to fraction form
    345,505.44/476,797.97 = 192,540.29/x
  3. Step 3: Cross multiply
    345,505.44x = 476,797.97 × 192,540.29
  4. Step 4: Simplify right side
    345,505.44x = 91,802,816,068.52
  5. Step 5: Solve for x
    x = 91,802,816,068.52/345,505.44
  6. Step 6: Final answer
    x = 265,705.85

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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.