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Finding the Fourth Proportional to 350,845.32, 484,166.52 and 189,700.32

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Solution

The fourth proportional to 350,845.32, 484,166.52 and 189,700.32 is: 261,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,845.32 : 484,166.52 = 189,700.32 : x
  2. Step 2: Convert to fraction form
    350,845.32/484,166.52 = 189,700.32/x
  3. Step 3: Cross multiply
    350,845.32x = 484,166.52 × 189,700.32
  4. Step 4: Simplify right side
    350,845.32x = 91,846,543,777.29
  5. Step 5: Solve for x
    x = 91,846,543,777.29/350,845.32
  6. Step 6: Final answer
    x = 261,786.43

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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.