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Finding the Fourth Proportional to 303,265.44, 455,205.60 and 273,480.48

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Solution

The fourth proportional to 303,265.44, 455,205.60 and 273,480.48 is: 410,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,265.44 : 455,205.60 = 273,480.48 : x
  2. Step 2: Convert to fraction form
    303,265.44/455,205.60 = 273,480.48/x
  3. Step 3: Cross multiply
    303,265.44x = 455,205.60 × 273,480.48
  4. Step 4: Simplify right side
    303,265.44x = 124,489,845,986.69
  5. Step 5: Solve for x
    x = 124,489,845,986.69/303,265.44
  6. Step 6: Final answer
    x = 410,497.97

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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.