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Finding the Fourth Proportional to 322,581.60, 483,872.40 and 100,936.80

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Solution

The fourth proportional to 322,581.60, 483,872.40 and 100,936.80 is: 151,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,581.60 : 483,872.40 = 100,936.80 : x
  2. Step 2: Convert to fraction form
    322,581.60/483,872.40 = 100,936.80/x
  3. Step 3: Cross multiply
    322,581.60x = 483,872.40 × 100,936.80
  4. Step 4: Simplify right side
    322,581.60x = 48,840,531,664.32
  5. Step 5: Solve for x
    x = 48,840,531,664.32/322,581.60
  6. Step 6: Final answer
    x = 151,405.20

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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.