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Finding the Fourth Proportional to 322,906.70, 483,208.05 and 204,634.70

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Solution

The fourth proportional to 322,906.70, 483,208.05 and 204,634.70 is: 306,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,906.70 : 483,208.05 = 204,634.70 : x
  2. Step 2: Convert to fraction form
    322,906.70/483,208.05 = 204,634.70/x
  3. Step 3: Cross multiply
    322,906.70x = 483,208.05 × 204,634.70
  4. Step 4: Simplify right side
    322,906.70x = 98,881,134,349.34
  5. Step 5: Solve for x
    x = 98,881,134,349.34/322,906.70
  6. Step 6: Final answer
    x = 306,222.00

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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.