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Finding the Fourth Proportional to 952.09, 1,428.13 and 367.27

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Solution

The fourth proportional to 952.09, 1,428.13 and 367.27 is: 550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.09 : 1,428.13 = 367.27 : x
  2. Step 2: Convert to fraction form
    952.09/1,428.13 = 367.27/x
  3. Step 3: Cross multiply
    952.09x = 1,428.13 × 367.27
  4. Step 4: Simplify right side
    952.09x = 524,506.19
  5. Step 5: Solve for x
    x = 524,506.19/952.09
  6. Step 6: Final answer
    x = 550.90

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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.