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Finding the Fourth Proportional to 353,716.55, 488,137.61 and 192,580.44

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Solution

The fourth proportional to 353,716.55, 488,137.61 and 192,580.44 is: 265,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,716.55 : 488,137.61 = 192,580.44 : x
  2. Step 2: Convert to fraction form
    353,716.55/488,137.61 = 192,580.44/x
  3. Step 3: Cross multiply
    353,716.55x = 488,137.61 × 192,580.44
  4. Step 4: Simplify right side
    353,716.55x = 94,005,756,195.80
  5. Step 5: Solve for x
    x = 94,005,756,195.80/353,716.55
  6. Step 6: Final answer
    x = 265,765.78

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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.