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Finding the Fourth Proportional to 379,498.74, 568,067.13 and 238,962.12

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Solution

The fourth proportional to 379,498.74, 568,067.13 and 238,962.12 is: 357,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,498.74 : 568,067.13 = 238,962.12 : x
  2. Step 2: Convert to fraction form
    379,498.74/568,067.13 = 238,962.12/x
  3. Step 3: Cross multiply
    379,498.74x = 568,067.13 × 238,962.12
  4. Step 4: Simplify right side
    379,498.74x = 135,746,525,687.12
  5. Step 5: Solve for x
    x = 135,746,525,687.12/379,498.74
  6. Step 6: Final answer
    x = 357,699.54

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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.