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Finding the Fourth Proportional to 299.04, 412.76 and 182.64

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Solution

The fourth proportional to 299.04, 412.76 and 182.64 is: 252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.04 : 412.76 = 182.64 : x
  2. Step 2: Convert to fraction form
    299.04/412.76 = 182.64/x
  3. Step 3: Cross multiply
    299.04x = 412.76 × 182.64
  4. Step 4: Simplify right side
    299.04x = 75,386.49
  5. Step 5: Solve for x
    x = 75,386.49/299.04
  6. Step 6: Final answer
    x = 252.09

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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.