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Finding the Fourth Proportional to 353,766.89, 488,198.90 and 192,622.61

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Solution

The fourth proportional to 353,766.89, 488,198.90 and 192,622.61 is: 265,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,766.89 : 488,198.90 = 192,622.61 : x
  2. Step 2: Convert to fraction form
    353,766.89/488,198.90 = 192,622.61/x
  3. Step 3: Cross multiply
    353,766.89x = 488,198.90 × 192,622.61
  4. Step 4: Simplify right side
    353,766.89x = 94,038,144,189.56
  5. Step 5: Solve for x
    x = 94,038,144,189.56/353,766.89
  6. Step 6: Final answer
    x = 265,819.52

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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.