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Finding the Fourth Proportional to 1,162.76, 1,744.23 and 382.52

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Solution

The fourth proportional to 1,162.76, 1,744.23 and 382.52 is: 573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.76 : 1,744.23 = 382.52 : x
  2. Step 2: Convert to fraction form
    1,162.76/1,744.23 = 382.52/x
  3. Step 3: Cross multiply
    1,162.76x = 1,744.23 × 382.52
  4. Step 4: Simplify right side
    1,162.76x = 667,208.65
  5. Step 5: Solve for x
    x = 667,208.65/1,162.76
  6. Step 6: Final answer
    x = 573.82

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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.