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Finding the Fourth Proportional to 952.58, 1,314.04 and 559.54

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Solution

The fourth proportional to 952.58, 1,314.04 and 559.54 is: 771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.58 : 1,314.04 = 559.54 : x
  2. Step 2: Convert to fraction form
    952.58/1,314.04 = 559.54/x
  3. Step 3: Cross multiply
    952.58x = 1,314.04 × 559.54
  4. Step 4: Simplify right side
    952.58x = 735,257.94
  5. Step 5: Solve for x
    x = 735,257.94/952.58
  6. Step 6: Final answer
    x = 771.86

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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.