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Finding the Fourth Proportional to 366,940.10, 550,928.55 and 226,972.10

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Solution

The fourth proportional to 366,940.10, 550,928.55 and 226,972.10 is: 340,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.10 : 550,928.55 = 226,972.10 : x
  2. Step 2: Convert to fraction form
    366,940.10/550,928.55 = 226,972.10/x
  3. Step 3: Cross multiply
    366,940.10x = 550,928.55 × 226,972.10
  4. Step 4: Simplify right side
    366,940.10x = 125,045,409,943.46
  5. Step 5: Solve for x
    x = 125,045,409,943.46/366,940.10
  6. Step 6: Final answer
    x = 340,778.81

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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.