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Finding the Fourth Proportional to 322,266.40, 483,476.40 and 164,519.20

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Solution

The fourth proportional to 322,266.40, 483,476.40 and 164,519.20 is: 246,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,266.40 : 483,476.40 = 164,519.20 : x
  2. Step 2: Convert to fraction form
    322,266.40/483,476.40 = 164,519.20/x
  3. Step 3: Cross multiply
    322,266.40x = 483,476.40 × 164,519.20
  4. Step 4: Simplify right side
    322,266.40x = 79,541,150,546.88
  5. Step 5: Solve for x
    x = 79,541,150,546.88/322,266.40
  6. Step 6: Final answer
    x = 246,818.01

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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.