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Finding the Fourth Proportional to 322,661.60, 483,927.60 and 154,181.60

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Solution

The fourth proportional to 322,661.60, 483,927.60 and 154,181.60 is: 231,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,661.60 : 483,927.60 = 154,181.60 : x
  2. Step 2: Convert to fraction form
    322,661.60/483,927.60 = 154,181.60/x
  3. Step 3: Cross multiply
    322,661.60x = 483,927.60 × 154,181.60
  4. Step 4: Simplify right side
    322,661.60x = 74,612,731,652.16
  5. Step 5: Solve for x
    x = 74,612,731,652.16/322,661.60
  6. Step 6: Final answer
    x = 231,241.44

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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.