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Finding the Fourth Proportional to 1,231.44, 1,847.37 and 501.54

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Solution

The fourth proportional to 1,231.44, 1,847.37 and 501.54 is: 752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.44 : 1,847.37 = 501.54 : x
  2. Step 2: Convert to fraction form
    1,231.44/1,847.37 = 501.54/x
  3. Step 3: Cross multiply
    1,231.44x = 1,847.37 × 501.54
  4. Step 4: Simplify right side
    1,231.44x = 926,529.95
  5. Step 5: Solve for x
    x = 926,529.95/1,231.44
  6. Step 6: Final answer
    x = 752.40

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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.