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Finding the Fourth Proportional to 292.44, 438.24 and 251.13

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Solution

The fourth proportional to 292.44, 438.24 and 251.13 is: 376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.44 : 438.24 = 251.13 : x
  2. Step 2: Convert to fraction form
    292.44/438.24 = 251.13/x
  3. Step 3: Cross multiply
    292.44x = 438.24 × 251.13
  4. Step 4: Simplify right side
    292.44x = 110,055.21
  5. Step 5: Solve for x
    x = 110,055.21/292.44
  6. Step 6: Final answer
    x = 376.33

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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.