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Finding the Fourth Proportional to 404,282.16, 606,554.46 and 193,936.56

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Solution

The fourth proportional to 404,282.16, 606,554.46 and 193,936.56 is: 290,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,282.16 : 606,554.46 = 193,936.56 : x
  2. Step 2: Convert to fraction form
    404,282.16/606,554.46 = 193,936.56/x
  3. Step 3: Cross multiply
    404,282.16x = 606,554.46 × 193,936.56
  4. Step 4: Simplify right side
    404,282.16x = 117,633,085,425.06
  5. Step 5: Solve for x
    x = 117,633,085,425.06/404,282.16
  6. Step 6: Final answer
    x = 290,967.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.