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Finding the Fourth Proportional to 2,232.41, 3,348.58 and 543.81

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Solution

The fourth proportional to 2,232.41, 3,348.58 and 543.81 is: 815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.41 : 3,348.58 = 543.81 : x
  2. Step 2: Convert to fraction form
    2,232.41/3,348.58 = 543.81/x
  3. Step 3: Cross multiply
    2,232.41x = 3,348.58 × 543.81
  4. Step 4: Simplify right side
    2,232.41x = 1,820,991.29
  5. Step 5: Solve for x
    x = 1,820,991.29/2,232.41
  6. Step 6: Final answer
    x = 815.71

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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.