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Finding the Fourth Proportional to 345,004.46, 476,101.06 and 192,042.43

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Solution

The fourth proportional to 345,004.46, 476,101.06 and 192,042.43 is: 265,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,004.46 : 476,101.06 = 192,042.43 : x
  2. Step 2: Convert to fraction form
    345,004.46/476,101.06 = 192,042.43/x
  3. Step 3: Cross multiply
    345,004.46x = 476,101.06 × 192,042.43
  4. Step 4: Simplify right side
    345,004.46x = 91,431,602,817.62
  5. Step 5: Solve for x
    x = 91,431,602,817.62/345,004.46
  6. Step 6: Final answer
    x = 265,015.71

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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.