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Finding the Fourth Proportional to 368.06, 552.49 and 251.01

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Solution

The fourth proportional to 368.06, 552.49 and 251.01 is: 376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.06 : 552.49 = 251.01 : x
  2. Step 2: Convert to fraction form
    368.06/552.49 = 251.01/x
  3. Step 3: Cross multiply
    368.06x = 552.49 × 251.01
  4. Step 4: Simplify right side
    368.06x = 138,679.26
  5. Step 5: Solve for x
    x = 138,679.26/368.06
  6. Step 6: Final answer
    x = 376.79

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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.