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Finding the Fourth Proportional to 952.32, 1,314.51 and 579.51

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Solution

The fourth proportional to 952.32, 1,314.51 and 579.51 is: 799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.32 : 1,314.51 = 579.51 : x
  2. Step 2: Convert to fraction form
    952.32/1,314.51 = 579.51/x
  3. Step 3: Cross multiply
    952.32x = 1,314.51 × 579.51
  4. Step 4: Simplify right side
    952.32x = 761,771.69
  5. Step 5: Solve for x
    x = 761,771.69/952.32
  6. Step 6: Final answer
    x = 799.91

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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.