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Finding the Fourth Proportional to 461,003.27, 636,168.79 and 254,279.85

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Solution

The fourth proportional to 461,003.27, 636,168.79 and 254,279.85 is: 350,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,003.27 : 636,168.79 = 254,279.85 : x
  2. Step 2: Convert to fraction form
    461,003.27/636,168.79 = 254,279.85/x
  3. Step 3: Cross multiply
    461,003.27x = 636,168.79 × 254,279.85
  4. Step 4: Simplify right side
    461,003.27x = 161,764,907,199.36
  5. Step 5: Solve for x
    x = 161,764,907,199.36/461,003.27
  6. Step 6: Final answer
    x = 350,897.53

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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.