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Finding the Fourth Proportional to 808,843.73, 1,213,266 and 276,369.98

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Solution

The fourth proportional to 808,843.73, 1,213,266 and 276,369.98 is: 414,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,843.73 : 1,213,266 = 276,369.98 : x
  2. Step 2: Convert to fraction form
    808,843.73/1,213,266 = 276,369.98/x
  3. Step 3: Cross multiply
    808,843.73x = 1,213,266 × 276,369.98
  4. Step 4: Simplify right side
    808,843.73x = 335,310,294,088.35
  5. Step 5: Solve for x
    x = 335,310,294,088.35/808,843.73
  6. Step 6: Final answer
    x = 414,555.10

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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.