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Finding the Fourth Proportional to 644,672.26, 967,007.33 and 171,357.62

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Solution

The fourth proportional to 644,672.26, 967,007.33 and 171,357.62 is: 257,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,672.26 : 967,007.33 = 171,357.62 : x
  2. Step 2: Convert to fraction form
    644,672.26/967,007.33 = 171,357.62/x
  3. Step 3: Cross multiply
    644,672.26x = 967,007.33 × 171,357.62
  4. Step 4: Simplify right side
    644,672.26x = 165,704,073,734.57
  5. Step 5: Solve for x
    x = 165,704,073,734.57/644,672.26
  6. Step 6: Final answer
    x = 257,036.15

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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.