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Finding the Fourth Proportional to 489,019.41, 733,450.43 and 133,950.42

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Solution

The fourth proportional to 489,019.41, 733,450.43 and 133,950.42 is: 200,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,019.41 : 733,450.43 = 133,950.42 : x
  2. Step 2: Convert to fraction form
    489,019.41/733,450.43 = 133,950.42/x
  3. Step 3: Cross multiply
    489,019.41x = 733,450.43 × 133,950.42
  4. Step 4: Simplify right side
    489,019.41x = 98,245,993,482.56
  5. Step 5: Solve for x
    x = 98,245,993,482.56/489,019.41
  6. Step 6: Final answer
    x = 200,904.08

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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.