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Finding the Fourth Proportional to 351.51, 484.70 and 241.05

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Solution

The fourth proportional to 351.51, 484.70 and 241.05 is: 332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.51 : 484.70 = 241.05 : x
  2. Step 2: Convert to fraction form
    351.51/484.70 = 241.05/x
  3. Step 3: Cross multiply
    351.51x = 484.70 × 241.05
  4. Step 4: Simplify right side
    351.51x = 116,836.94
  5. Step 5: Solve for x
    x = 116,836.94/351.51
  6. Step 6: Final answer
    x = 332.39

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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.