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Finding the Fourth Proportional to 491,758.23, 737,383.61 and 225,290.39

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Solution

The fourth proportional to 491,758.23, 737,383.61 and 225,290.39 is: 337,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,758.23 : 737,383.61 = 225,290.39 : x
  2. Step 2: Convert to fraction form
    491,758.23/737,383.61 = 225,290.39/x
  3. Step 3: Cross multiply
    491,758.23x = 737,383.61 × 225,290.39
  4. Step 4: Simplify right side
    491,758.23x = 166,125,440,343.52
  5. Step 5: Solve for x
    x = 166,125,440,343.52/491,758.23
  6. Step 6: Final answer
    x = 337,819.34

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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.