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Finding the Fourth Proportional to 277,615.67, 416,589.41 and 255,029.43

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Solution

The fourth proportional to 277,615.67, 416,589.41 and 255,029.43 is: 382,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,615.67 : 416,589.41 = 255,029.43 : x
  2. Step 2: Convert to fraction form
    277,615.67/416,589.41 = 255,029.43/x
  3. Step 3: Cross multiply
    277,615.67x = 416,589.41 × 255,029.43
  4. Step 4: Simplify right side
    277,615.67x = 106,242,557,459.72
  5. Step 5: Solve for x
    x = 106,242,557,459.72/277,615.67
  6. Step 6: Final answer
    x = 382,696.54

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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.