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Finding the Fourth Proportional to 958.37, 1,322.33 and 565.52

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Solution

The fourth proportional to 958.37, 1,322.33 and 565.52 is: 780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.37 : 1,322.33 = 565.52 : x
  2. Step 2: Convert to fraction form
    958.37/1,322.33 = 565.52/x
  3. Step 3: Cross multiply
    958.37x = 1,322.33 × 565.52
  4. Step 4: Simplify right side
    958.37x = 747,794.62
  5. Step 5: Solve for x
    x = 747,794.62/958.37
  6. Step 6: Final answer
    x = 780.28

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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.