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Finding the Fourth Proportional to 952.62, 1,428.96 and 336.24

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Solution

The fourth proportional to 952.62, 1,428.96 and 336.24 is: 504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.62 : 1,428.96 = 336.24 : x
  2. Step 2: Convert to fraction form
    952.62/1,428.96 = 336.24/x
  3. Step 3: Cross multiply
    952.62x = 1,428.96 × 336.24
  4. Step 4: Simplify right side
    952.62x = 480,473.51
  5. Step 5: Solve for x
    x = 480,473.51/952.62
  6. Step 6: Final answer
    x = 504.37

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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.