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Finding the Fourth Proportional to 952.49, 1,313.33 and 699.27

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Solution

The fourth proportional to 952.49, 1,313.33 and 699.27 is: 964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.49 : 1,313.33 = 699.27 : x
  2. Step 2: Convert to fraction form
    952.49/1,313.33 = 699.27/x
  3. Step 3: Cross multiply
    952.49x = 1,313.33 × 699.27
  4. Step 4: Simplify right side
    952.49x = 918,372.27
  5. Step 5: Solve for x
    x = 918,372.27/952.49
  6. Step 6: Final answer
    x = 964.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.