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Finding the Fourth Proportional to 244,615.20, 366,922.80 and 211,372.80

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Solution

The fourth proportional to 244,615.20, 366,922.80 and 211,372.80 is: 317,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,615.20 : 366,922.80 = 211,372.80 : x
  2. Step 2: Convert to fraction form
    244,615.20/366,922.80 = 211,372.80/x
  3. Step 3: Cross multiply
    244,615.20x = 366,922.80 × 211,372.80
  4. Step 4: Simplify right side
    244,615.20x = 77,557,499,619.84
  5. Step 5: Solve for x
    x = 77,557,499,619.84/244,615.20
  6. Step 6: Final answer
    x = 317,059.20

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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.