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Finding the Fourth Proportional to 256,292.43, 353,449.54 and 195,750.60

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Solution

The fourth proportional to 256,292.43, 353,449.54 and 195,750.60 is: 269,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,292.43 : 353,449.54 = 195,750.60 : x
  2. Step 2: Convert to fraction form
    256,292.43/353,449.54 = 195,750.60/x
  3. Step 3: Cross multiply
    256,292.43x = 353,449.54 × 195,750.60
  4. Step 4: Simplify right side
    256,292.43x = 69,187,959,524.72
  5. Step 5: Solve for x
    x = 69,187,959,524.72/256,292.43
  6. Step 6: Final answer
    x = 269,957.09

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1.5x scale

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.