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Finding the Fourth Proportional to 353,717.87, 488,139.44 and 192,581.75

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Solution

The fourth proportional to 353,717.87, 488,139.44 and 192,581.75 is: 265,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,717.87 : 488,139.44 = 192,581.75 : x
  2. Step 2: Convert to fraction form
    353,717.87/488,139.44 = 192,581.75/x
  3. Step 3: Cross multiply
    353,717.87x = 488,139.44 × 192,581.75
  4. Step 4: Simplify right side
    353,717.87x = 94,006,747,856.66
  5. Step 5: Solve for x
    x = 94,006,747,856.66/353,717.87
  6. Step 6: Final answer
    x = 265,767.60

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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.