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Finding the Fourth Proportional to 379,504.74, 568,076.13 and 238,968.12

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Solution

The fourth proportional to 379,504.74, 568,076.13 and 238,968.12 is: 357,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,504.74 : 568,076.13 = 238,968.12 : x
  2. Step 2: Convert to fraction form
    379,504.74/568,076.13 = 238,968.12/x
  3. Step 3: Cross multiply
    379,504.74x = 568,076.13 × 238,968.12
  4. Step 4: Simplify right side
    379,504.74x = 135,752,084,802.98
  5. Step 5: Solve for x
    x = 135,752,084,802.98/379,504.74
  6. Step 6: Final answer
    x = 357,708.54

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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.