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Finding the Fourth Proportional to 345,354.44, 476,581.95 and 192,392.42

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Solution

The fourth proportional to 345,354.44, 476,581.95 and 192,392.42 is: 265,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,354.44 : 476,581.95 = 192,392.42 : x
  2. Step 2: Convert to fraction form
    345,354.44/476,581.95 = 192,392.42/x
  3. Step 3: Cross multiply
    345,354.44x = 476,581.95 × 192,392.42
  4. Step 4: Simplify right side
    345,354.44x = 91,690,755,880.27
  5. Step 5: Solve for x
    x = 91,690,755,880.27/345,354.44
  6. Step 6: Final answer
    x = 265,497.54

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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.