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Finding the Fourth Proportional to 956.26, 1,434.83 and 567.03

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Solution

The fourth proportional to 956.26, 1,434.83 and 567.03 is: 850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.26 : 1,434.83 = 567.03 : x
  2. Step 2: Convert to fraction form
    956.26/1,434.83 = 567.03/x
  3. Step 3: Cross multiply
    956.26x = 1,434.83 × 567.03
  4. Step 4: Simplify right side
    956.26x = 813,591.65
  5. Step 5: Solve for x
    x = 813,591.65/956.26
  6. Step 6: Final answer
    x = 850.81

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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.