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Finding the Fourth Proportional to 574.75, 793.06 and 325.99

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Solution

The fourth proportional to 574.75, 793.06 and 325.99 is: 449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.75 : 793.06 = 325.99 : x
  2. Step 2: Convert to fraction form
    574.75/793.06 = 325.99/x
  3. Step 3: Cross multiply
    574.75x = 793.06 × 325.99
  4. Step 4: Simplify right side
    574.75x = 258,529.63
  5. Step 5: Solve for x
    x = 258,529.63/574.75
  6. Step 6: Final answer
    x = 449.81

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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.