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Finding the Fourth Proportional to 322,673.60, 483,945.60 and 154,193.60

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Solution

The fourth proportional to 322,673.60, 483,945.60 and 154,193.60 is: 231,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673.60 : 483,945.60 = 154,193.60 : x
  2. Step 2: Convert to fraction form
    322,673.60/483,945.60 = 154,193.60/x
  3. Step 3: Cross multiply
    322,673.60x = 483,945.60 × 154,193.60
  4. Step 4: Simplify right side
    322,673.60x = 74,621,314,268.16
  5. Step 5: Solve for x
    x = 74,621,314,268.16/322,673.60
  6. Step 6: Final answer
    x = 231,259.43

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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.