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Finding the Fourth Proportional to 297,941.70, 446,912.55 and 276,071.70

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Solution

The fourth proportional to 297,941.70, 446,912.55 and 276,071.70 is: 414,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,941.70 : 446,912.55 = 276,071.70 : x
  2. Step 2: Convert to fraction form
    297,941.70/446,912.55 = 276,071.70/x
  3. Step 3: Cross multiply
    297,941.70x = 446,912.55 × 276,071.70
  4. Step 4: Simplify right side
    297,941.70x = 123,379,907,429.84
  5. Step 5: Solve for x
    x = 123,379,907,429.84/297,941.70
  6. Step 6: Final answer
    x = 414,107.55

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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.