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Finding the Fourth Proportional to 449,007.28, 673,525.44 and 235,721.28

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Solution

The fourth proportional to 449,007.28, 673,525.44 and 235,721.28 is: 353,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,007.28 : 673,525.44 = 235,721.28 : x
  2. Step 2: Convert to fraction form
    449,007.28/673,525.44 = 235,721.28/x
  3. Step 3: Cross multiply
    449,007.28x = 673,525.44 × 235,721.28
  4. Step 4: Simplify right side
    449,007.28x = 158,764,278,829.36
  5. Step 5: Solve for x
    x = 158,764,278,829.36/449,007.28
  6. Step 6: Final answer
    x = 353,589.54

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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.