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Finding the Fourth Proportional to 301,069.44, 451,634.40 and 79,453.44

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Solution

The fourth proportional to 301,069.44, 451,634.40 and 79,453.44 is: 119,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,069.44 : 451,634.40 = 79,453.44 : x
  2. Step 2: Convert to fraction form
    301,069.44/451,634.40 = 79,453.44/x
  3. Step 3: Cross multiply
    301,069.44x = 451,634.40 × 79,453.44
  4. Step 4: Simplify right side
    301,069.44x = 35,883,906,702.34
  5. Step 5: Solve for x
    x = 35,883,906,702.34/301,069.44
  6. Step 6: Final answer
    x = 119,188.14

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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.