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Finding the Fourth Proportional to 298.84, 412.68 and 241.60

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Solution

The fourth proportional to 298.84, 412.68 and 241.60 is: 333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.84 : 412.68 = 241.60 : x
  2. Step 2: Convert to fraction form
    298.84/412.68 = 241.60/x
  3. Step 3: Cross multiply
    298.84x = 412.68 × 241.60
  4. Step 4: Simplify right side
    298.84x = 99,703.49
  5. Step 5: Solve for x
    x = 99,703.49/298.84
  6. Step 6: Final answer
    x = 333.64

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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.