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Finding the Fourth Proportional to 958.94, 1,323.24 and 566.12

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Solution

The fourth proportional to 958.94, 1,323.24 and 566.12 is: 781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.94 : 1,323.24 = 566.12 : x
  2. Step 2: Convert to fraction form
    958.94/1,323.24 = 566.12/x
  3. Step 3: Cross multiply
    958.94x = 1,323.24 × 566.12
  4. Step 4: Simplify right side
    958.94x = 749,112.63
  5. Step 5: Solve for x
    x = 749,112.63/958.94
  6. Step 6: Final answer
    x = 781.19

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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.