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Finding the Fourth Proportional to 952.73, 1,428.72 and 367.43

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Solution

The fourth proportional to 952.73, 1,428.72 and 367.43 is: 551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.73 : 1,428.72 = 367.43 : x
  2. Step 2: Convert to fraction form
    952.73/1,428.72 = 367.43/x
  3. Step 3: Cross multiply
    952.73x = 1,428.72 × 367.43
  4. Step 4: Simplify right side
    952.73x = 524,947.45
  5. Step 5: Solve for x
    x = 524,947.45/952.73
  6. Step 6: Final answer
    x = 551.00

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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.