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Finding the Fourth Proportional to 322,647.60, 483,906.60 and 154,167.60

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Solution

The fourth proportional to 322,647.60, 483,906.60 and 154,167.60 is: 231,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,647.60 : 483,906.60 = 154,167.60 : x
  2. Step 2: Convert to fraction form
    322,647.60/483,906.60 = 154,167.60/x
  3. Step 3: Cross multiply
    322,647.60x = 483,906.60 × 154,167.60
  4. Step 4: Simplify right side
    322,647.60x = 74,602,719,146.16
  5. Step 5: Solve for x
    x = 74,602,719,146.16/322,647.60
  6. Step 6: Final answer
    x = 231,220.44

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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.