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Finding the Fourth Proportional to 444,014.90, 665,256.90 and 206,871.20

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Solution

The fourth proportional to 444,014.90, 665,256.90 and 206,871.20 is: 309,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,014.90 : 665,256.90 = 206,871.20 : x
  2. Step 2: Convert to fraction form
    444,014.90/665,256.90 = 206,871.20/x
  3. Step 3: Cross multiply
    444,014.90x = 665,256.90 × 206,871.20
  4. Step 4: Simplify right side
    444,014.90x = 137,622,493,211.28
  5. Step 5: Solve for x
    x = 137,622,493,211.28/444,014.90
  6. Step 6: Final answer
    x = 309,950.17

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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.