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Finding the Fourth Proportional to 263,308.12, 394,958.23 and 63,627.12

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Solution

The fourth proportional to 263,308.12, 394,958.23 and 63,627.12 is: 95,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,308.12 : 394,958.23 = 63,627.12 : x
  2. Step 2: Convert to fraction form
    263,308.12/394,958.23 = 63,627.12/x
  3. Step 3: Cross multiply
    263,308.12x = 394,958.23 × 63,627.12
  4. Step 4: Simplify right side
    263,308.12x = 25,130,054,536.13
  5. Step 5: Solve for x
    x = 25,130,054,536.13/263,308.12
  6. Step 6: Final answer
    x = 95,439.73

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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.