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Finding the Fourth Proportional to 353,716.13, 488,138.47 and 192,573.92

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Solution

The fourth proportional to 353,716.13, 488,138.47 and 192,573.92 is: 265,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,716.13 : 488,138.47 = 192,573.92 : x
  2. Step 2: Convert to fraction form
    353,716.13/488,138.47 = 192,573.92/x
  3. Step 3: Cross multiply
    353,716.13x = 488,138.47 × 192,573.92
  4. Step 4: Simplify right side
    353,716.13x = 94,002,739,409.61
  5. Step 5: Solve for x
    x = 94,002,739,409.61/353,716.13
  6. Step 6: Final answer
    x = 265,757.57

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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.