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Finding the Fourth Proportional to 496,954.03, 685,777.84 and 303,684.91

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Solution

The fourth proportional to 496,954.03, 685,777.84 and 303,684.91 is: 419,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,954.03 : 685,777.84 = 303,684.91 : x
  2. Step 2: Convert to fraction form
    496,954.03/685,777.84 = 303,684.91/x
  3. Step 3: Cross multiply
    496,954.03x = 685,777.84 × 303,684.91
  4. Step 4: Simplify right side
    496,954.03x = 208,260,381,620.39
  5. Step 5: Solve for x
    x = 208,260,381,620.39/496,954.03
  6. Step 6: Final answer
    x = 419,073.74

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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.