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Finding the Fourth Proportional to 351,622.62, 485,234.82 and 190,473.66

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Solution

The fourth proportional to 351,622.62, 485,234.82 and 190,473.66 is: 262,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,622.62 : 485,234.82 = 190,473.66 : x
  2. Step 2: Convert to fraction form
    351,622.62/485,234.82 = 190,473.66/x
  3. Step 3: Cross multiply
    351,622.62x = 485,234.82 × 190,473.66
  4. Step 4: Simplify right side
    351,622.62x = 92,424,452,124.84
  5. Step 5: Solve for x
    x = 92,424,452,124.84/351,622.62
  6. Step 6: Final answer
    x = 262,851.27

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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.