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Finding the Fourth Proportional to 274,794.76, 379,027.50 and 193,295.92

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Solution

The fourth proportional to 274,794.76, 379,027.50 and 193,295.92 is: 266,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,794.76 : 379,027.50 = 193,295.92 : x
  2. Step 2: Convert to fraction form
    274,794.76/379,027.50 = 193,295.92/x
  3. Step 3: Cross multiply
    274,794.76x = 379,027.50 × 193,295.92
  4. Step 4: Simplify right side
    274,794.76x = 73,264,469,317.80
  5. Step 5: Solve for x
    x = 73,264,469,317.80/274,794.76
  6. Step 6: Final answer
    x = 266,615.23

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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.