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Finding the Fourth Proportional to 241.44, 360.32 and 210.72

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Solution

The fourth proportional to 241.44, 360.32 and 210.72 is: 314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.44 : 360.32 = 210.72 : x
  2. Step 2: Convert to fraction form
    241.44/360.32 = 210.72/x
  3. Step 3: Cross multiply
    241.44x = 360.32 × 210.72
  4. Step 4: Simplify right side
    241.44x = 75,926.63
  5. Step 5: Solve for x
    x = 75,926.63/241.44
  6. Step 6: Final answer
    x = 314.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.