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Finding the Fourth Proportional to 644,968.82, 967,461.29 and 171,651.26

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Solution

The fourth proportional to 644,968.82, 967,461.29 and 171,651.26 is: 257,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,968.82 : 967,461.29 = 171,651.26 : x
  2. Step 2: Convert to fraction form
    644,968.82/967,461.29 = 171,651.26/x
  3. Step 3: Cross multiply
    644,968.82x = 967,461.29 × 171,651.26
  4. Step 4: Simplify right side
    644,968.82x = 166,065,949,429.73
  5. Step 5: Solve for x
    x = 166,065,949,429.73/644,968.82
  6. Step 6: Final answer
    x = 257,479.04

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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.