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Finding the Fourth Proportional to 622,231.88, 934,135.54 and 381,754.82

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Solution

The fourth proportional to 622,231.88, 934,135.54 and 381,754.82 is: 573,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,231.88 : 934,135.54 = 381,754.82 : x
  2. Step 2: Convert to fraction form
    622,231.88/934,135.54 = 381,754.82/x
  3. Step 3: Cross multiply
    622,231.88x = 934,135.54 × 381,754.82
  4. Step 4: Simplify right side
    622,231.88x = 356,610,746,309.26
  5. Step 5: Solve for x
    x = 356,610,746,309.26/622,231.88
  6. Step 6: Final answer
    x = 573,115.52

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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.