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Finding the Fourth Proportional to 503,169.81, 694,378.86 and 273,732.11

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Solution

The fourth proportional to 503,169.81, 694,378.86 and 273,732.11 is: 377,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,169.81 : 694,378.86 = 273,732.11 : x
  2. Step 2: Convert to fraction form
    503,169.81/694,378.86 = 273,732.11/x
  3. Step 3: Cross multiply
    503,169.81x = 694,378.86 × 273,732.11
  4. Step 4: Simplify right side
    503,169.81x = 190,073,785,646.64
  5. Step 5: Solve for x
    x = 190,073,785,646.64/503,169.81
  6. Step 6: Final answer
    x = 377,752.76

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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.