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Finding the Fourth Proportional to 441,485.60, 662,240.56 and 161,211.68

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Solution

The fourth proportional to 441,485.60, 662,240.56 and 161,211.68 is: 241,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,485.60 : 662,240.56 = 161,211.68 : x
  2. Step 2: Convert to fraction form
    441,485.60/662,240.56 = 161,211.68/x
  3. Step 3: Cross multiply
    441,485.60x = 662,240.56 × 161,211.68
  4. Step 4: Simplify right side
    441,485.60x = 106,760,913,241.74
  5. Step 5: Solve for x
    x = 106,760,913,241.74/441,485.60
  6. Step 6: Final answer
    x = 241,821.96

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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.