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Finding the Fourth Proportional to 550,621.44, 825,757.19 and 374,261.76

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Solution

The fourth proportional to 550,621.44, 825,757.19 and 374,261.76 is: 561,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,621.44 : 825,757.19 = 374,261.76 : x
  2. Step 2: Convert to fraction form
    550,621.44/825,757.19 = 374,261.76/x
  3. Step 3: Cross multiply
    550,621.44x = 825,757.19 × 374,261.76
  4. Step 4: Simplify right side
    550,621.44x = 309,049,337,390.75
  5. Step 5: Solve for x
    x = 309,049,337,390.75/550,621.44
  6. Step 6: Final answer
    x = 561,273.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.