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Finding the Fourth Proportional to 481,573.56, 722,367.40 and 228,879.83

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Solution

The fourth proportional to 481,573.56, 722,367.40 and 228,879.83 is: 343,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,573.56 : 722,367.40 = 228,879.83 : x
  2. Step 2: Convert to fraction form
    481,573.56/722,367.40 = 228,879.83/x
  3. Step 3: Cross multiply
    481,573.56x = 722,367.40 × 228,879.83
  4. Step 4: Simplify right side
    481,573.56x = 165,335,329,372.41
  5. Step 5: Solve for x
    x = 165,335,329,372.41/481,573.56
  6. Step 6: Final answer
    x = 343,323.11

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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.