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Finding the Fourth Proportional to 353,794.68, 488,236.32 and 192,650.88

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Solution

The fourth proportional to 353,794.68, 488,236.32 and 192,650.88 is: 265,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,794.68 : 488,236.32 = 192,650.88 : x
  2. Step 2: Convert to fraction form
    353,794.68/488,236.32 = 192,650.88/x
  3. Step 3: Cross multiply
    353,794.68x = 488,236.32 × 192,650.88
  4. Step 4: Simplify right side
    353,794.68x = 94,059,156,695.96
  5. Step 5: Solve for x
    x = 94,059,156,695.96/353,794.68
  6. Step 6: Final answer
    x = 265,858.03

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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.