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Finding the Fourth Proportional to 941.92, 1,412.97 and 364.84

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Solution

The fourth proportional to 941.92, 1,412.97 and 364.84 is: 547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.92 : 1,412.97 = 364.84 : x
  2. Step 2: Convert to fraction form
    941.92/1,412.97 = 364.84/x
  3. Step 3: Cross multiply
    941.92x = 1,412.97 × 364.84
  4. Step 4: Simplify right side
    941.92x = 515,507.97
  5. Step 5: Solve for x
    x = 515,507.97/941.92
  6. Step 6: Final answer
    x = 547.29

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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.