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Finding the Fourth Proportional to 301,104.80, 451,138.80 and 254,448.80

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Solution

The fourth proportional to 301,104.80, 451,138.80 and 254,448.80 is: 381,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,104.80 : 451,138.80 = 254,448.80 : x
  2. Step 2: Convert to fraction form
    301,104.80/451,138.80 = 254,448.80/x
  3. Step 3: Cross multiply
    301,104.80x = 451,138.80 × 254,448.80
  4. Step 4: Simplify right side
    301,104.80x = 114,791,726,293.44
  5. Step 5: Solve for x
    x = 114,791,726,293.44/301,104.80
  6. Step 6: Final answer
    x = 381,235.13

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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.