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Finding the Fourth Proportional to 339,268.56, 507,935.16 and 269,250

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Solution

The fourth proportional to 339,268.56, 507,935.16 and 269,250 is: 403,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,268.56 : 507,935.16 = 269,250 : x
  2. Step 2: Convert to fraction form
    339,268.56/507,935.16 = 269,250/x
  3. Step 3: Cross multiply
    339,268.56x = 507,935.16 × 269,250
  4. Step 4: Simplify right side
    339,268.56x = 136,761,541,830
  5. Step 5: Solve for x
    x = 136,761,541,830/339,268.56
  6. Step 6: Final answer
    x = 403,107.03

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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.