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Finding the Fourth Proportional to 534,540.58, 737,677.74 and 305,093.24

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Solution

The fourth proportional to 534,540.58, 737,677.74 and 305,093.24 is: 421,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,540.58 : 737,677.74 = 305,093.24 : x
  2. Step 2: Convert to fraction form
    534,540.58/737,677.74 = 305,093.24/x
  3. Step 3: Cross multiply
    534,540.58x = 737,677.74 × 305,093.24
  4. Step 4: Simplify right side
    534,540.58x = 225,060,491,772.48
  5. Step 5: Solve for x
    x = 225,060,491,772.48/534,540.58
  6. Step 6: Final answer
    x = 421,035.37

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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.