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Finding the Fourth Proportional to 353,794.52, 488,221.78 and 192,649.19

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Solution

The fourth proportional to 353,794.52, 488,221.78 and 192,649.19 is: 265,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,794.52 : 488,221.78 = 192,649.19 : x
  2. Step 2: Convert to fraction form
    353,794.52/488,221.78 = 192,649.19/x
  3. Step 3: Cross multiply
    353,794.52x = 488,221.78 × 192,649.19
  4. Step 4: Simplify right side
    353,794.52x = 94,055,527,895.84
  5. Step 5: Solve for x
    x = 94,055,527,895.84/353,794.52
  6. Step 6: Final answer
    x = 265,847.89

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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.