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Finding the Fourth Proportional to 557,085.48, 768,781.19 and 327,652.44

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Solution

The fourth proportional to 557,085.48, 768,781.19 and 327,652.44 is: 452,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,085.48 : 768,781.19 = 327,652.44 : x
  2. Step 2: Convert to fraction form
    557,085.48/768,781.19 = 327,652.44/x
  3. Step 3: Cross multiply
    557,085.48x = 768,781.19 × 327,652.44
  4. Step 4: Simplify right side
    557,085.48x = 251,893,032,729.60
  5. Step 5: Solve for x
    x = 251,893,032,729.60/557,085.48
  6. Step 6: Final answer
    x = 452,162.27

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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.