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Finding the Fourth Proportional to 952.41, 1,313.92 and 579.32

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Solution

The fourth proportional to 952.41, 1,313.92 and 579.32 is: 799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.41 : 1,313.92 = 579.32 : x
  2. Step 2: Convert to fraction form
    952.41/1,313.92 = 579.32/x
  3. Step 3: Cross multiply
    952.41x = 1,313.92 × 579.32
  4. Step 4: Simplify right side
    952.41x = 761,179.22
  5. Step 5: Solve for x
    x = 761,179.22/952.41
  6. Step 6: Final answer
    x = 799.22

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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.