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Finding the Fourth Proportional to 503,531.26, 694,887.69 and 274,103.42

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Solution

The fourth proportional to 503,531.26, 694,887.69 and 274,103.42 is: 378,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,531.26 : 694,887.69 = 274,103.42 : x
  2. Step 2: Convert to fraction form
    503,531.26/694,887.69 = 274,103.42/x
  3. Step 3: Cross multiply
    503,531.26x = 694,887.69 × 274,103.42
  4. Step 4: Simplify right side
    503,531.26x = 190,471,089,898.35
  5. Step 5: Solve for x
    x = 190,471,089,898.35/503,531.26
  6. Step 6: Final answer
    x = 378,270.64

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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.