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Finding the Fourth Proportional to 371,166.50, 557,786.56 and 347,268.26

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Solution

The fourth proportional to 371,166.50, 557,786.56 and 347,268.26 is: 521,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,166.50 : 557,786.56 = 347,268.26 : x
  2. Step 2: Convert to fraction form
    371,166.50/557,786.56 = 347,268.26/x
  3. Step 3: Cross multiply
    371,166.50x = 557,786.56 × 347,268.26
  4. Step 4: Simplify right side
    371,166.50x = 193,701,568,142.59
  5. Step 5: Solve for x
    x = 193,701,568,142.59/371,166.50
  6. Step 6: Final answer
    x = 521,872.44

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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.