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Finding the Fourth Proportional to 322,025.40, 482,649.30 and 164,172.60

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Solution

The fourth proportional to 322,025.40, 482,649.30 and 164,172.60 is: 246,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,025.40 : 482,649.30 = 164,172.60 : x
  2. Step 2: Convert to fraction form
    322,025.40/482,649.30 = 164,172.60/x
  3. Step 3: Cross multiply
    322,025.40x = 482,649.30 × 164,172.60
  4. Step 4: Simplify right side
    322,025.40x = 79,237,790,469.18
  5. Step 5: Solve for x
    x = 79,237,790,469.18/322,025.40
  6. Step 6: Final answer
    x = 246,060.68

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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.