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Finding the Fourth Proportional to 1,162.52, 1,743.19 and 382.49

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Solution

The fourth proportional to 1,162.52, 1,743.19 and 382.49 is: 573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.52 : 1,743.19 = 382.49 : x
  2. Step 2: Convert to fraction form
    1,162.52/1,743.19 = 382.49/x
  3. Step 3: Cross multiply
    1,162.52x = 1,743.19 × 382.49
  4. Step 4: Simplify right side
    1,162.52x = 666,743.07
  5. Step 5: Solve for x
    x = 666,743.07/1,162.52
  6. Step 6: Final answer
    x = 573.54

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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.