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Finding the Fourth Proportional to 350,778.24, 484,072.52 and 189,633.24

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Solution

The fourth proportional to 350,778.24, 484,072.52 and 189,633.24 is: 261,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,778.24 : 484,072.52 = 189,633.24 : x
  2. Step 2: Convert to fraction form
    350,778.24/484,072.52 = 189,633.24/x
  3. Step 3: Cross multiply
    350,778.24x = 484,072.52 × 189,633.24
  4. Step 4: Simplify right side
    350,778.24x = 91,796,240,836.65
  5. Step 5: Solve for x
    x = 91,796,240,836.65/350,778.24
  6. Step 6: Final answer
    x = 261,693.09

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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.