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Finding the Fourth Proportional to 503,542.02, 694,896.84 and 274,105.90

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Solution

The fourth proportional to 503,542.02, 694,896.84 and 274,105.90 is: 378,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,542.02 : 694,896.84 = 274,105.90 : x
  2. Step 2: Convert to fraction form
    503,542.02/694,896.84 = 274,105.90/x
  3. Step 3: Cross multiply
    503,542.02x = 694,896.84 × 274,105.90
  4. Step 4: Simplify right side
    503,542.02x = 190,475,323,735.36
  5. Step 5: Solve for x
    x = 190,475,323,735.36/503,542.02
  6. Step 6: Final answer
    x = 378,270.96

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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.