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Finding the Fourth Proportional to 322,628.88, 483,522.84 and 164,724.24

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Solution

The fourth proportional to 322,628.88, 483,522.84 and 164,724.24 is: 246,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,628.88 : 483,522.84 = 164,724.24 : x
  2. Step 2: Convert to fraction form
    322,628.88/483,522.84 = 164,724.24/x
  3. Step 3: Cross multiply
    322,628.88x = 483,522.84 × 164,724.24
  4. Step 4: Simplify right side
    322,628.88x = 79,647,932,341.64
  5. Step 5: Solve for x
    x = 79,647,932,341.64/322,628.88
  6. Step 6: Final answer
    x = 246,871.68

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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.