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Finding the Fourth Proportional to 457,893.93, 631,932.43 and 254,010.53

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Solution

The fourth proportional to 457,893.93, 631,932.43 and 254,010.53 is: 350,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,893.93 : 631,932.43 = 254,010.53 : x
  2. Step 2: Convert to fraction form
    457,893.93/631,932.43 = 254,010.53/x
  3. Step 3: Cross multiply
    457,893.93x = 631,932.43 × 254,010.53
  4. Step 4: Simplify right side
    457,893.93x = 160,517,490,198.44
  5. Step 5: Solve for x
    x = 160,517,490,198.44/457,893.93
  6. Step 6: Final answer
    x = 350,556.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.