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Finding the Fourth Proportional to 358,940.43, 495,335.67 and 195,596.64

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Solution

The fourth proportional to 358,940.43, 495,335.67 and 195,596.64 is: 269,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,940.43 : 495,335.67 = 195,596.64 : x
  2. Step 2: Convert to fraction form
    358,940.43/495,335.67 = 195,596.64/x
  3. Step 3: Cross multiply
    358,940.43x = 495,335.67 × 195,596.64
  4. Step 4: Simplify right side
    358,940.43x = 96,885,992,724.15
  5. Step 5: Solve for x
    x = 96,885,992,724.15/358,940.43
  6. Step 6: Final answer
    x = 269,922.21

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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.