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Finding the Fourth Proportional to 350,954.14, 484,315.32 and 189,809.38

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Solution

The fourth proportional to 350,954.14, 484,315.32 and 189,809.38 is: 261,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,954.14 : 484,315.32 = 189,809.38 : x
  2. Step 2: Convert to fraction form
    350,954.14/484,315.32 = 189,809.38/x
  3. Step 3: Cross multiply
    350,954.14x = 484,315.32 × 189,809.38
  4. Step 4: Simplify right side
    350,954.14x = 91,927,590,613.70
  5. Step 5: Solve for x
    x = 91,927,590,613.70/350,954.14
  6. Step 6: Final answer
    x = 261,936.19

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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.