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Finding the Fourth Proportional to 353,771.35, 488,198.14 and 192,623.47

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Solution

The fourth proportional to 353,771.35, 488,198.14 and 192,623.47 is: 265,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,771.35 : 488,198.14 = 192,623.47 : x
  2. Step 2: Convert to fraction form
    353,771.35/488,198.14 = 192,623.47/x
  3. Step 3: Cross multiply
    353,771.35x = 488,198.14 × 192,623.47
  4. Step 4: Simplify right side
    353,771.35x = 94,038,418,072.29
  5. Step 5: Solve for x
    x = 94,038,418,072.29/353,771.35
  6. Step 6: Final answer
    x = 265,816.94

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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.