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Finding the Fourth Proportional to 361,092.40, 541,638.60 and 303,355.60

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Solution

The fourth proportional to 361,092.40, 541,638.60 and 303,355.60 is: 455,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,092.40 : 541,638.60 = 303,355.60 : x
  2. Step 2: Convert to fraction form
    361,092.40/541,638.60 = 303,355.60/x
  3. Step 3: Cross multiply
    361,092.40x = 541,638.60 × 303,355.60
  4. Step 4: Simplify right side
    361,092.40x = 164,309,102,486.16
  5. Step 5: Solve for x
    x = 164,309,102,486.16/361,092.40
  6. Step 6: Final answer
    x = 455,033.40

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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.