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Finding the Fourth Proportional to 339,028.92, 508,620.18 and 181,174.20

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Solution

The fourth proportional to 339,028.92, 508,620.18 and 181,174.20 is: 271,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,028.92 : 508,620.18 = 181,174.20 : x
  2. Step 2: Convert to fraction form
    339,028.92/508,620.18 = 181,174.20/x
  3. Step 3: Cross multiply
    339,028.92x = 508,620.18 × 181,174.20
  4. Step 4: Simplify right side
    339,028.92x = 92,148,854,215.36
  5. Step 5: Solve for x
    x = 92,148,854,215.36/339,028.92
  6. Step 6: Final answer
    x = 271,802.34

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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.