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Finding the Fourth Proportional to 605,843.10, 908,973.72 and 269,119.62

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Solution

The fourth proportional to 605,843.10, 908,973.72 and 269,119.62 is: 403,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,843.10 : 908,973.72 = 269,119.62 : x
  2. Step 2: Convert to fraction form
    605,843.10/908,973.72 = 269,119.62/x
  3. Step 3: Cross multiply
    605,843.10x = 908,973.72 × 269,119.62
  4. Step 4: Simplify right side
    605,843.10x = 244,622,662,116.39
  5. Step 5: Solve for x
    x = 244,622,662,116.39/605,843.10
  6. Step 6: Final answer
    x = 403,772.30

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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.