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Finding the Fourth Proportional to 322,614.44, 483,606.30 and 145,166.12

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Solution

The fourth proportional to 322,614.44, 483,606.30 and 145,166.12 is: 217,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,614.44 : 483,606.30 = 145,166.12 : x
  2. Step 2: Convert to fraction form
    322,614.44/483,606.30 = 145,166.12/x
  3. Step 3: Cross multiply
    322,614.44x = 483,606.30 × 145,166.12
  4. Step 4: Simplify right side
    322,614.44x = 70,203,250,178.56
  5. Step 5: Solve for x
    x = 70,203,250,178.56/322,614.44
  6. Step 6: Final answer
    x = 217,607.28

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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.