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Finding the Fourth Proportional to 254.08, 350.88 and 234.64

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Solution

The fourth proportional to 254.08, 350.88 and 234.64 is: 324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.08 : 350.88 = 234.64 : x
  2. Step 2: Convert to fraction form
    254.08/350.88 = 234.64/x
  3. Step 3: Cross multiply
    254.08x = 350.88 × 234.64
  4. Step 4: Simplify right side
    254.08x = 82,330.48
  5. Step 5: Solve for x
    x = 82,330.48/254.08
  6. Step 6: Final answer
    x = 324.03

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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.