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Finding the Fourth Proportional to 378,061.44, 567,739.32 and 252,508.56

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Solution

The fourth proportional to 378,061.44, 567,739.32 and 252,508.56 is: 379,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,061.44 : 567,739.32 = 252,508.56 : x
  2. Step 2: Convert to fraction form
    378,061.44/567,739.32 = 252,508.56/x
  3. Step 3: Cross multiply
    378,061.44x = 567,739.32 × 252,508.56
  4. Step 4: Simplify right side
    378,061.44x = 143,359,038,148.58
  5. Step 5: Solve for x
    x = 143,359,038,148.58/378,061.44
  6. Step 6: Final answer
    x = 379,195.08

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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.