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Finding the Fourth Proportional to 441,672.40, 662,519.44 and 161,189.60

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Solution

The fourth proportional to 441,672.40, 662,519.44 and 161,189.60 is: 241,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,672.40 : 662,519.44 = 161,189.60 : x
  2. Step 2: Convert to fraction form
    441,672.40/662,519.44 = 161,189.60/x
  3. Step 3: Cross multiply
    441,672.40x = 662,519.44 × 161,189.60
  4. Step 4: Simplify right side
    441,672.40x = 106,791,243,525.82
  5. Step 5: Solve for x
    x = 106,791,243,525.82/441,672.40
  6. Step 6: Final answer
    x = 241,788.36

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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.