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Finding the Fourth Proportional to 550,395.78, 825,670.17 and 195,325.44

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Solution

The fourth proportional to 550,395.78, 825,670.17 and 195,325.44 is: 293,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,395.78 : 825,670.17 = 195,325.44 : x
  2. Step 2: Convert to fraction form
    550,395.78/825,670.17 = 195,325.44/x
  3. Step 3: Cross multiply
    550,395.78x = 825,670.17 × 195,325.44
  4. Step 4: Simplify right side
    550,395.78x = 161,274,389,250.13
  5. Step 5: Solve for x
    x = 161,274,389,250.13/550,395.78
  6. Step 6: Final answer
    x = 293,015.31

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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.