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Finding the Fourth Proportional to 450,003.92, 620,982.60 and 248,761.04

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Solution

The fourth proportional to 450,003.92, 620,982.60 and 248,761.04 is: 343,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,003.92 : 620,982.60 = 248,761.04 : x
  2. Step 2: Convert to fraction form
    450,003.92/620,982.60 = 248,761.04/x
  3. Step 3: Cross multiply
    450,003.92x = 620,982.60 × 248,761.04
  4. Step 4: Simplify right side
    450,003.92x = 154,476,277,397.90
  5. Step 5: Solve for x
    x = 154,476,277,397.90/450,003.92
  6. Step 6: Final answer
    x = 343,277.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.