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Finding the Fourth Proportional to 283,453.28, 424,888.24 and 125,756

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Solution

The fourth proportional to 283,453.28, 424,888.24 and 125,756 is: 188,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,453.28 : 424,888.24 = 125,756 : x
  2. Step 2: Convert to fraction form
    283,453.28/424,888.24 = 125,756/x
  3. Step 3: Cross multiply
    283,453.28x = 424,888.24 × 125,756
  4. Step 4: Simplify right side
    283,453.28x = 53,432,245,509.44
  5. Step 5: Solve for x
    x = 53,432,245,509.44/283,453.28
  6. Step 6: Final answer
    x = 188,504.59

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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.