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Finding the Fourth Proportional to 1,794,722.24, 2,476,724.37 and 978,943.45

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Solution

The fourth proportional to 1,794,722.24, 2,476,724.37 and 978,943.45 is: 1,350,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,722.24 : 2,476,724.37 = 978,943.45 : x
  2. Step 2: Convert to fraction form
    1,794,722.24/2,476,724.37 = 978,943.45/x
  3. Step 3: Cross multiply
    1,794,722.24x = 2,476,724.37 × 978,943.45
  4. Step 4: Simplify right side
    1,794,722.24x = 2,424,573,099,466.88
  5. Step 5: Solve for x
    x = 2,424,573,099,466.88/1,794,722.24
  6. Step 6: Final answer
    x = 1,350,946.15

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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.