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Finding the Fourth Proportional to 503,612.43, 694,962.49 and 274,163.83

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Solution

The fourth proportional to 503,612.43, 694,962.49 and 274,163.83 is: 378,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,612.43 : 694,962.49 = 274,163.83 : x
  2. Step 2: Convert to fraction form
    503,612.43/694,962.49 = 274,163.83/x
  3. Step 3: Cross multiply
    503,612.43x = 694,962.49 × 274,163.83
  4. Step 4: Simplify right side
    503,612.43x = 190,533,577,964.74
  5. Step 5: Solve for x
    x = 190,533,577,964.74/503,612.43
  6. Step 6: Final answer
    x = 378,333.75

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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.