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Finding the Fourth Proportional to 441,488.43, 662,331.36 and 161,005.68

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Solution

The fourth proportional to 441,488.43, 662,331.36 and 161,005.68 is: 241,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,488.43 : 662,331.36 = 161,005.68 : x
  2. Step 2: Convert to fraction form
    441,488.43/662,331.36 = 161,005.68/x
  3. Step 3: Cross multiply
    441,488.43x = 662,331.36 × 161,005.68
  4. Step 4: Simplify right side
    441,488.43x = 106,639,106,885.44
  5. Step 5: Solve for x
    x = 106,639,106,885.44/441,488.43
  6. Step 6: Final answer
    x = 241,544.51

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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.