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Finding the Fourth Proportional to 378,634.56, 522,522.12 and 244,731.84

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Solution

The fourth proportional to 378,634.56, 522,522.12 and 244,731.84 is: 337,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,634.56 : 522,522.12 = 244,731.84 : x
  2. Step 2: Convert to fraction form
    378,634.56/522,522.12 = 244,731.84/x
  3. Step 3: Cross multiply
    378,634.56x = 522,522.12 × 244,731.84
  4. Step 4: Simplify right side
    378,634.56x = 127,877,799,868.30
  5. Step 5: Solve for x
    x = 127,877,799,868.30/378,634.56
  6. Step 6: Final answer
    x = 337,734.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.