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Finding the Fourth Proportional to 504,249.09, 695,863.84 and 274,806.43

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Solution

The fourth proportional to 504,249.09, 695,863.84 and 274,806.43 is: 379,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,249.09 : 695,863.84 = 274,806.43 : x
  2. Step 2: Convert to fraction form
    504,249.09/695,863.84 = 274,806.43/x
  3. Step 3: Cross multiply
    504,249.09x = 695,863.84 × 274,806.43
  4. Step 4: Simplify right side
    504,249.09x = 191,227,857,636.49
  5. Step 5: Solve for x
    x = 191,227,857,636.49/504,249.09
  6. Step 6: Final answer
    x = 379,232.93

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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.