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Finding the Fourth Proportional to 1,231.63, 1,847.44 and 365.94

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Solution

The fourth proportional to 1,231.63, 1,847.44 and 365.94 is: 548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.63 : 1,847.44 = 365.94 : x
  2. Step 2: Convert to fraction form
    1,231.63/1,847.44 = 365.94/x
  3. Step 3: Cross multiply
    1,231.63x = 1,847.44 × 365.94
  4. Step 4: Simplify right side
    1,231.63x = 676,052.19
  5. Step 5: Solve for x
    x = 676,052.19/1,231.63
  6. Step 6: Final answer
    x = 548.91

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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.