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Finding the Fourth Proportional to 263,168.34, 394,777.41 and 73,628.76

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Solution

The fourth proportional to 263,168.34, 394,777.41 and 73,628.76 is: 110,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,168.34 : 394,777.41 = 73,628.76 : x
  2. Step 2: Convert to fraction form
    263,168.34/394,777.41 = 73,628.76/x
  3. Step 3: Cross multiply
    263,168.34x = 394,777.41 × 73,628.76
  4. Step 4: Simplify right side
    263,168.34x = 29,066,971,174.31
  5. Step 5: Solve for x
    x = 29,066,971,174.31/263,168.34
  6. Step 6: Final answer
    x = 110,450.11

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1.5x scale

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.