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Finding the Fourth Proportional to 351,711.73, 485,362.37 and 190,566.91

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Solution

The fourth proportional to 351,711.73, 485,362.37 and 190,566.91 is: 262,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,711.73 : 485,362.37 = 190,566.91 : x
  2. Step 2: Convert to fraction form
    351,711.73/485,362.37 = 190,566.91/x
  3. Step 3: Cross multiply
    351,711.73x = 485,362.37 × 190,566.91
  4. Step 4: Simplify right side
    351,711.73x = 92,494,004,654.36
  5. Step 5: Solve for x
    x = 92,494,004,654.36/351,711.73
  6. Step 6: Final answer
    x = 262,982.43

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1.5x scale

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.