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Finding the Fourth Proportional to 350,866.44, 484,195.34 and 189,721.10

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Solution

The fourth proportional to 350,866.44, 484,195.34 and 189,721.10 is: 261,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,866.44 : 484,195.34 = 189,721.10 : x
  2. Step 2: Convert to fraction form
    350,866.44/484,195.34 = 189,721.10/x
  3. Step 3: Cross multiply
    350,866.44x = 484,195.34 × 189,721.10
  4. Step 4: Simplify right side
    350,866.44x = 91,862,072,519.67
  5. Step 5: Solve for x
    x = 91,862,072,519.67/350,866.44
  6. Step 6: Final answer
    x = 261,814.93

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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.