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Finding the Fourth Proportional to 351,524.58, 485,101.14 and 190,375.92

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Solution

The fourth proportional to 351,524.58, 485,101.14 and 190,375.92 is: 262,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,524.58 : 485,101.14 = 190,375.92 : x
  2. Step 2: Convert to fraction form
    351,524.58/485,101.14 = 190,375.92/x
  3. Step 3: Cross multiply
    351,524.58x = 485,101.14 × 190,375.92
  4. Step 4: Simplify right side
    351,524.58x = 92,351,575,820.55
  5. Step 5: Solve for x
    x = 92,351,575,820.55/351,524.58
  6. Step 6: Final answer
    x = 262,717.26

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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.