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Finding the Fourth Proportional to 251.65, 374.48 and 241.93

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Solution

The fourth proportional to 251.65, 374.48 and 241.93 is: 360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.65 : 374.48 = 241.93 : x
  2. Step 2: Convert to fraction form
    251.65/374.48 = 241.93/x
  3. Step 3: Cross multiply
    251.65x = 374.48 × 241.93
  4. Step 4: Simplify right side
    251.65x = 90,596.07
  5. Step 5: Solve for x
    x = 90,596.07/251.65
  6. Step 6: Final answer
    x = 360.02

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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.