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Finding the Fourth Proportional to 503,294.36, 694,560.30 and 273,865.64

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Solution

The fourth proportional to 503,294.36, 694,560.30 and 273,865.64 is: 377,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,294.36 : 694,560.30 = 273,865.64 : x
  2. Step 2: Convert to fraction form
    503,294.36/694,560.30 = 273,865.64/x
  3. Step 3: Cross multiply
    503,294.36x = 694,560.30 × 273,865.64
  4. Step 4: Simplify right side
    503,294.36x = 190,216,201,078.09
  5. Step 5: Solve for x
    x = 190,216,201,078.09/503,294.36
  6. Step 6: Final answer
    x = 377,942.25

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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.