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Finding the Fourth Proportional to 235,634.44, 325,371.72 and 218,539.12

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Solution

The fourth proportional to 235,634.44, 325,371.72 and 218,539.12 is: 301,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,634.44 : 325,371.72 = 218,539.12 : x
  2. Step 2: Convert to fraction form
    235,634.44/325,371.72 = 218,539.12/x
  3. Step 3: Cross multiply
    235,634.44x = 325,371.72 × 218,539.12
  4. Step 4: Simplify right side
    235,634.44x = 71,106,449,361.69
  5. Step 5: Solve for x
    x = 71,106,449,361.69/235,634.44
  6. Step 6: Final answer
    x = 301,765.94

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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.