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Finding the Fourth Proportional to 339,672.92, 509,649.11 and 150,033.29

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Solution

The fourth proportional to 339,672.92, 509,649.11 and 150,033.29 is: 225,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,672.92 : 509,649.11 = 150,033.29 : x
  2. Step 2: Convert to fraction form
    339,672.92/509,649.11 = 150,033.29/x
  3. Step 3: Cross multiply
    339,672.92x = 509,649.11 × 150,033.29
  4. Step 4: Simplify right side
    339,672.92x = 76,464,331,968.71
  5. Step 5: Solve for x
    x = 76,464,331,968.71/339,672.92
  6. Step 6: Final answer
    x = 225,111.65

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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.