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Finding the Fourth Proportional to 445,181.50, 614,361.76 and 273,194.46

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Solution

The fourth proportional to 445,181.50, 614,361.76 and 273,194.46 is: 377,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,181.50 : 614,361.76 = 273,194.46 : x
  2. Step 2: Convert to fraction form
    445,181.50/614,361.76 = 273,194.46/x
  3. Step 3: Cross multiply
    445,181.50x = 614,361.76 × 273,194.46
  4. Step 4: Simplify right side
    445,181.50x = 167,840,229,267.85
  5. Step 5: Solve for x
    x = 167,840,229,267.85/445,181.50
  6. Step 6: Final answer
    x = 377,015.28

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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.