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Finding the Fourth Proportional to 958.37, 1,322.26 and 585.23

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Solution

The fourth proportional to 958.37, 1,322.26 and 585.23 is: 807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.37 : 1,322.26 = 585.23 : x
  2. Step 2: Convert to fraction form
    958.37/1,322.26 = 585.23/x
  3. Step 3: Cross multiply
    958.37x = 1,322.26 × 585.23
  4. Step 4: Simplify right side
    958.37x = 773,826.22
  5. Step 5: Solve for x
    x = 773,826.22/958.37
  6. Step 6: Final answer
    x = 807.44

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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.