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Finding the Fourth Proportional to 406.53, 610.34 and 224.01

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Solution

The fourth proportional to 406.53, 610.34 and 224.01 is: 336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.53 : 610.34 = 224.01 : x
  2. Step 2: Convert to fraction form
    406.53/610.34 = 224.01/x
  3. Step 3: Cross multiply
    406.53x = 610.34 × 224.01
  4. Step 4: Simplify right side
    406.53x = 136,721.14
  5. Step 5: Solve for x
    x = 136,721.14/406.53
  6. Step 6: Final answer
    x = 336.31

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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.