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Finding the Fourth Proportional to 298.58, 412.03 and 182.14

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Solution

The fourth proportional to 298.58, 412.03 and 182.14 is: 251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.58 : 412.03 = 182.14 : x
  2. Step 2: Convert to fraction form
    298.58/412.03 = 182.14/x
  3. Step 3: Cross multiply
    298.58x = 412.03 × 182.14
  4. Step 4: Simplify right side
    298.58x = 75,044.17
  5. Step 5: Solve for x
    x = 75,044.17/298.58
  6. Step 6: Final answer
    x = 251.34

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Why These Related Problems?

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