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Finding the Fourth Proportional to 448,435.96, 672,634.50 and 111,469.48

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Solution

The fourth proportional to 448,435.96, 672,634.50 and 111,469.48 is: 167,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,435.96 : 672,634.50 = 111,469.48 : x
  2. Step 2: Convert to fraction form
    448,435.96/672,634.50 = 111,469.48/x
  3. Step 3: Cross multiply
    448,435.96x = 672,634.50 × 111,469.48
  4. Step 4: Simplify right side
    448,435.96x = 74,978,217,945.06
  5. Step 5: Solve for x
    x = 74,978,217,945.06/448,435.96
  6. Step 6: Final answer
    x = 167,199.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.