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Finding the Fourth Proportional to 952.53, 1,428.97 and 336.60

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Solution

The fourth proportional to 952.53, 1,428.97 and 336.60 is: 504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.53 : 1,428.97 = 336.60 : x
  2. Step 2: Convert to fraction form
    952.53/1,428.97 = 336.60/x
  3. Step 3: Cross multiply
    952.53x = 1,428.97 × 336.60
  4. Step 4: Simplify right side
    952.53x = 480,986.36
  5. Step 5: Solve for x
    x = 480,986.36/952.53
  6. Step 6: Final answer
    x = 504.95

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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.