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Finding the Fourth Proportional to 507,227.56, 699,974.94 and 274,657.12

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Solution

The fourth proportional to 507,227.56, 699,974.94 and 274,657.12 is: 379,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,227.56 : 699,974.94 = 274,657.12 : x
  2. Step 2: Convert to fraction form
    507,227.56/699,974.94 = 274,657.12/x
  3. Step 3: Cross multiply
    507,227.56x = 699,974.94 × 274,657.12
  4. Step 4: Simplify right side
    507,227.56x = 192,253,101,092.57
  5. Step 5: Solve for x
    x = 192,253,101,092.57/507,227.56
  6. Step 6: Final answer
    x = 379,027.32

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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.