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Finding the Fourth Proportional to 322,645.60, 483,903.60 and 154,165.60

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Solution

The fourth proportional to 322,645.60, 483,903.60 and 154,165.60 is: 231,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,645.60 : 483,903.60 = 154,165.60 : x
  2. Step 2: Convert to fraction form
    322,645.60/483,903.60 = 154,165.60/x
  3. Step 3: Cross multiply
    322,645.60x = 483,903.60 × 154,165.60
  4. Step 4: Simplify right side
    322,645.60x = 74,601,288,836.16
  5. Step 5: Solve for x
    x = 74,601,288,836.16/322,645.60
  6. Step 6: Final answer
    x = 231,217.44

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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.