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Finding the Fourth Proportional to 493,615.05, 739,862.84 and 226,824.29

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Solution

The fourth proportional to 493,615.05, 739,862.84 and 226,824.29 is: 339,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,615.05 : 739,862.84 = 226,824.29 : x
  2. Step 2: Convert to fraction form
    493,615.05/739,862.84 = 226,824.29/x
  3. Step 3: Cross multiply
    493,615.05x = 739,862.84 × 226,824.29
  4. Step 4: Simplify right side
    493,615.05x = 167,818,858,546.95
  5. Step 5: Solve for x
    x = 167,818,858,546.95/493,615.05
  6. Step 6: Final answer
    x = 339,979.22

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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.