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Finding the Fourth Proportional to 441,605.25, 662,418.81 and 161,122.50

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Solution

The fourth proportional to 441,605.25, 662,418.81 and 161,122.50 is: 241,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,605.25 : 662,418.81 = 161,122.50 : x
  2. Step 2: Convert to fraction form
    441,605.25/662,418.81 = 161,122.50/x
  3. Step 3: Cross multiply
    441,605.25x = 662,418.81 × 161,122.50
  4. Step 4: Simplify right side
    441,605.25x = 106,730,574,714.23
  5. Step 5: Solve for x
    x = 106,730,574,714.23/441,605.25
  6. Step 6: Final answer
    x = 241,687.74

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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.