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Finding the Fourth Proportional to 441,538.43, 662,406.39 and 161,055.68

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Solution

The fourth proportional to 441,538.43, 662,406.39 and 161,055.68 is: 241,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,538.43 : 662,406.39 = 161,055.68 : x
  2. Step 2: Convert to fraction form
    441,538.43/662,406.39 = 161,055.68/x
  3. Step 3: Cross multiply
    441,538.43x = 662,406.39 × 161,055.68
  4. Step 4: Simplify right side
    441,538.43x = 106,684,308,265.76
  5. Step 5: Solve for x
    x = 106,684,308,265.76/441,538.43
  6. Step 6: Final answer
    x = 241,619.53

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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.