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Finding the Fourth Proportional to 958.55, 1,436.96 and 567.59

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Solution

The fourth proportional to 958.55, 1,436.96 and 567.59 is: 850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.55 : 1,436.96 = 567.59 : x
  2. Step 2: Convert to fraction form
    958.55/1,436.96 = 567.59/x
  3. Step 3: Cross multiply
    958.55x = 1,436.96 × 567.59
  4. Step 4: Simplify right side
    958.55x = 815,594.10
  5. Step 5: Solve for x
    x = 815,594.10/958.55
  6. Step 6: Final answer
    x = 850.87

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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.