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Finding the Fourth Proportional to 254.07, 350.44 and 155.88

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Solution

The fourth proportional to 254.07, 350.44 and 155.88 is: 215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.07 : 350.44 = 155.88 : x
  2. Step 2: Convert to fraction form
    254.07/350.44 = 155.88/x
  3. Step 3: Cross multiply
    254.07x = 350.44 × 155.88
  4. Step 4: Simplify right side
    254.07x = 54,626.20
  5. Step 5: Solve for x
    x = 54,626.20/254.07
  6. Step 6: Final answer
    x = 215.00

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