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Finding the Fourth Proportional to 481,074.37, 721,596.67 and 228,536.62

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Solution

The fourth proportional to 481,074.37, 721,596.67 and 228,536.62 is: 342,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,074.37 : 721,596.67 = 228,536.62 : x
  2. Step 2: Convert to fraction form
    481,074.37/721,596.67 = 228,536.62/x
  3. Step 3: Cross multiply
    481,074.37x = 721,596.67 × 228,536.62
  4. Step 4: Simplify right side
    481,074.37x = 164,911,261,589.72
  5. Step 5: Solve for x
    x = 164,911,261,589.72/481,074.37
  6. Step 6: Final answer
    x = 342,797.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.