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Finding the Fourth Proportional to 503,353.22, 694,618.46 and 273,902.68

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Solution

The fourth proportional to 503,353.22, 694,618.46 and 273,902.68 is: 377,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,353.22 : 694,618.46 = 273,902.68 : x
  2. Step 2: Convert to fraction form
    503,353.22/694,618.46 = 273,902.68/x
  3. Step 3: Cross multiply
    503,353.22x = 694,618.46 × 273,902.68
  4. Step 4: Simplify right side
    503,353.22x = 190,257,857,771.47
  5. Step 5: Solve for x
    x = 190,257,857,771.47/503,353.22
  6. Step 6: Final answer
    x = 377,980.81

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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.