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Finding the Fourth Proportional to 353,792.43, 488,226.56 and 192,649.41

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Solution

The fourth proportional to 353,792.43, 488,226.56 and 192,649.41 is: 265,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,792.43 : 488,226.56 = 192,649.41 : x
  2. Step 2: Convert to fraction form
    353,792.43/488,226.56 = 192,649.41/x
  3. Step 3: Cross multiply
    353,792.43x = 488,226.56 × 192,649.41
  4. Step 4: Simplify right side
    353,792.43x = 94,056,557,767.08
  5. Step 5: Solve for x
    x = 94,056,557,767.08/353,792.43
  6. Step 6: Final answer
    x = 265,852.37

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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.