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Finding the Fourth Proportional to 952.99, 1,429.50 and 336.71

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Solution

The fourth proportional to 952.99, 1,429.50 and 336.71 is: 505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.99 : 1,429.50 = 336.71 : x
  2. Step 2: Convert to fraction form
    952.99/1,429.50 = 336.71/x
  3. Step 3: Cross multiply
    952.99x = 1,429.50 × 336.71
  4. Step 4: Simplify right side
    952.99x = 481,325.26
  5. Step 5: Solve for x
    x = 481,325.26/952.99
  6. Step 6: Final answer
    x = 505.07

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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.