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Finding the Fourth Proportional to 494,773.12, 682,773.42 and 274,002.76

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Solution

The fourth proportional to 494,773.12, 682,773.42 and 274,002.76 is: 378,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,773.12 : 682,773.42 = 274,002.76 : x
  2. Step 2: Convert to fraction form
    494,773.12/682,773.42 = 274,002.76/x
  3. Step 3: Cross multiply
    494,773.12x = 682,773.42 × 274,002.76
  4. Step 4: Simplify right side
    494,773.12x = 187,081,801,534.64
  5. Step 5: Solve for x
    x = 187,081,801,534.64/494,773.12
  6. Step 6: Final answer
    x = 378,116.34

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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.