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Finding the Fourth Proportional to 427.74, 590.23 and 241.24

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Solution

The fourth proportional to 427.74, 590.23 and 241.24 is: 332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    427.74 : 590.23 = 241.24 : x
  2. Step 2: Convert to fraction form
    427.74/590.23 = 241.24/x
  3. Step 3: Cross multiply
    427.74x = 590.23 × 241.24
  4. Step 4: Simplify right side
    427.74x = 142,383.83
  5. Step 5: Solve for x
    x = 142,383.83/427.74
  6. Step 6: Final answer
    x = 332.88

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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.