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Finding the Fourth Proportional to 444.26, 665.50 and 340.24

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Solution

The fourth proportional to 444.26, 665.50 and 340.24 is: 509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.26 : 665.50 = 340.24 : x
  2. Step 2: Convert to fraction form
    444.26/665.50 = 340.24/x
  3. Step 3: Cross multiply
    444.26x = 665.50 × 340.24
  4. Step 4: Simplify right side
    444.26x = 226,429.72
  5. Step 5: Solve for x
    x = 226,429.72/444.26
  6. Step 6: Final answer
    x = 509.68

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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.