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Finding the Fourth Proportional to 503,169.31, 694,378.16 and 273,731.61

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Solution

The fourth proportional to 503,169.31, 694,378.16 and 273,731.61 is: 377,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,169.31 : 694,378.16 = 273,731.61 : x
  2. Step 2: Convert to fraction form
    503,169.31/694,378.16 = 273,731.61/x
  3. Step 3: Cross multiply
    503,169.31x = 694,378.16 × 273,731.61
  4. Step 4: Simplify right side
    503,169.31x = 190,073,248,898.08
  5. Step 5: Solve for x
    x = 190,073,248,898.08/503,169.31
  6. Step 6: Final answer
    x = 377,752.07

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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.