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Finding the Fourth Proportional to 379,003.74, 568,635.21 and 168,788.22

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Solution

The fourth proportional to 379,003.74, 568,635.21 and 168,788.22 is: 253,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,003.74 : 568,635.21 = 168,788.22 : x
  2. Step 2: Convert to fraction form
    379,003.74/568,635.21 = 168,788.22/x
  3. Step 3: Cross multiply
    379,003.74x = 568,635.21 × 168,788.22
  4. Step 4: Simplify right side
    379,003.74x = 95,978,924,925.23
  5. Step 5: Solve for x
    x = 95,978,924,925.23/379,003.74
  6. Step 6: Final answer
    x = 253,240.05

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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.