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Finding the Fourth Proportional to 952.23, 1,313.70 and 579.07

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Solution

The fourth proportional to 952.23, 1,313.70 and 579.07 is: 798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.23 : 1,313.70 = 579.07 : x
  2. Step 2: Convert to fraction form
    952.23/1,313.70 = 579.07/x
  3. Step 3: Cross multiply
    952.23x = 1,313.70 × 579.07
  4. Step 4: Simplify right side
    952.23x = 760,724.26
  5. Step 5: Solve for x
    x = 760,724.26/952.23
  6. Step 6: Final answer
    x = 798.89

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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.