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Finding the Fourth Proportional to 350,450.78, 483,622.33 and 189,305.82

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Solution

The fourth proportional to 350,450.78, 483,622.33 and 189,305.82 is: 261,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,450.78 : 483,622.33 = 189,305.82 : x
  2. Step 2: Convert to fraction form
    350,450.78/483,622.33 = 189,305.82/x
  3. Step 3: Cross multiply
    350,450.78x = 483,622.33 × 189,305.82
  4. Step 4: Simplify right side
    350,450.78x = 91,552,521,277.70
  5. Step 5: Solve for x
    x = 91,552,521,277.70/350,450.78
  6. Step 6: Final answer
    x = 261,242.17

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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.