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Finding the Fourth Proportional to 883.53, 1,218.74 and 600.43

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Solution

The fourth proportional to 883.53, 1,218.74 and 600.43 is: 828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.53 : 1,218.74 = 600.43 : x
  2. Step 2: Convert to fraction form
    883.53/1,218.74 = 600.43/x
  3. Step 3: Cross multiply
    883.53x = 1,218.74 × 600.43
  4. Step 4: Simplify right side
    883.53x = 731,768.06
  5. Step 5: Solve for x
    x = 731,768.06/883.53
  6. Step 6: Final answer
    x = 828.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.