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Finding the Fourth Proportional to 503,166.54, 694,382.85 and 273,738.12

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Solution

The fourth proportional to 503,166.54, 694,382.85 and 273,738.12 is: 377,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,166.54 : 694,382.85 = 273,738.12 : x
  2. Step 2: Convert to fraction form
    503,166.54/694,382.85 = 273,738.12/x
  3. Step 3: Cross multiply
    503,166.54x = 694,382.85 × 273,738.12
  4. Step 4: Simplify right side
    503,166.54x = 190,079,055,919.24
  5. Step 5: Solve for x
    x = 190,079,055,919.24/503,166.54
  6. Step 6: Final answer
    x = 377,765.69

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Double scale
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1.5x scale

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.