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Finding the Fourth Proportional to 1,231.97, 1,847.96 and 366.35

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Solution

The fourth proportional to 1,231.97, 1,847.96 and 366.35 is: 549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.97 : 1,847.96 = 366.35 : x
  2. Step 2: Convert to fraction form
    1,231.97/1,847.96 = 366.35/x
  3. Step 3: Cross multiply
    1,231.97x = 1,847.96 × 366.35
  4. Step 4: Simplify right side
    1,231.97x = 677,000.15
  5. Step 5: Solve for x
    x = 677,000.15/1,231.97
  6. Step 6: Final answer
    x = 549.53

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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.