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Finding the Fourth Proportional to 353,894.70, 488,377.98 and 192,750.60

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Solution

The fourth proportional to 353,894.70, 488,377.98 and 192,750.60 is: 265,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,894.70 : 488,377.98 = 192,750.60 : x
  2. Step 2: Convert to fraction form
    353,894.70/488,377.98 = 192,750.60/x
  3. Step 3: Cross multiply
    353,894.70x = 488,377.98 × 192,750.60
  4. Step 4: Simplify right side
    353,894.70x = 94,135,148,671.79
  5. Step 5: Solve for x
    x = 94,135,148,671.79/353,894.70
  6. Step 6: Final answer
    x = 265,997.62

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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.