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Finding the Fourth Proportional to 353,725.60, 488,150.16 and 192,589.48

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Solution

The fourth proportional to 353,725.60, 488,150.16 and 192,589.48 is: 265,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,725.60 : 488,150.16 = 192,589.48 : x
  2. Step 2: Convert to fraction form
    353,725.60/488,150.16 = 192,589.48/x
  3. Step 3: Cross multiply
    353,725.60x = 488,150.16 × 192,589.48
  4. Step 4: Simplify right side
    353,725.60x = 94,012,585,476.32
  5. Step 5: Solve for x
    x = 94,012,585,476.32/353,725.60
  6. Step 6: Final answer
    x = 265,778.29

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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.