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Finding the Fourth Proportional to 322,556.90, 483,446.55 and 164,704.10

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Solution

The fourth proportional to 322,556.90, 483,446.55 and 164,704.10 is: 246,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,556.90 : 483,446.55 = 164,704.10 : x
  2. Step 2: Convert to fraction form
    322,556.90/483,446.55 = 164,704.10/x
  3. Step 3: Cross multiply
    322,556.90x = 483,446.55 × 164,704.10
  4. Step 4: Simplify right side
    322,556.90x = 79,625,628,915.86
  5. Step 5: Solve for x
    x = 79,625,628,915.86/322,556.90
  6. Step 6: Final answer
    x = 246,857.62

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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.