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Finding the Fourth Proportional to 441,716.60, 662,747.70 and 161,262.20

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Solution

The fourth proportional to 441,716.60, 662,747.70 and 161,262.20 is: 241,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,716.60 : 662,747.70 = 161,262.20 : x
  2. Step 2: Convert to fraction form
    441,716.60/662,747.70 = 161,262.20/x
  3. Step 3: Cross multiply
    441,716.60x = 662,747.70 × 161,262.20
  4. Step 4: Simplify right side
    441,716.60x = 106,876,152,146.94
  5. Step 5: Solve for x
    x = 106,876,152,146.94/441,716.60
  6. Step 6: Final answer
    x = 241,956.39

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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.