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Finding the Fourth Proportional to 339,449.38, 509,239.71 and 114,846.41

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Solution

The fourth proportional to 339,449.38, 509,239.71 and 114,846.41 is: 172,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,449.38 : 509,239.71 = 114,846.41 : x
  2. Step 2: Convert to fraction form
    339,449.38/509,239.71 = 114,846.41/x
  3. Step 3: Cross multiply
    339,449.38x = 509,239.71 × 114,846.41
  4. Step 4: Simplify right side
    339,449.38x = 58,484,353,796.04
  5. Step 5: Solve for x
    x = 58,484,353,796.04/339,449.38
  6. Step 6: Final answer
    x = 172,291.83

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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.