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Finding the Fourth Proportional to 437.24, 603.21 and 262.59

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Solution

The fourth proportional to 437.24, 603.21 and 262.59 is: 362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.24 : 603.21 = 262.59 : x
  2. Step 2: Convert to fraction form
    437.24/603.21 = 262.59/x
  3. Step 3: Cross multiply
    437.24x = 603.21 × 262.59
  4. Step 4: Simplify right side
    437.24x = 158,396.91
  5. Step 5: Solve for x
    x = 158,396.91/437.24
  6. Step 6: Final answer
    x = 362.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.