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Finding the Fourth Proportional to 493,615.80, 739,863.96 and 226,825.03

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Solution

The fourth proportional to 493,615.80, 739,863.96 and 226,825.03 is: 339,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,615.80 : 739,863.96 = 226,825.03 : x
  2. Step 2: Convert to fraction form
    493,615.80/739,863.96 = 226,825.03/x
  3. Step 3: Cross multiply
    493,615.80x = 739,863.96 × 226,825.03
  4. Step 4: Simplify right side
    493,615.80x = 167,819,664,922.92
  5. Step 5: Solve for x
    x = 167,819,664,922.92/493,615.80
  6. Step 6: Final answer
    x = 339,980.33

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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.