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Finding the Fourth Proportional to 574.35, 792.60 and 325.67

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Solution

The fourth proportional to 574.35, 792.60 and 325.67 is: 449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.35 : 792.60 = 325.67 : x
  2. Step 2: Convert to fraction form
    574.35/792.60 = 325.67/x
  3. Step 3: Cross multiply
    574.35x = 792.60 × 325.67
  4. Step 4: Simplify right side
    574.35x = 258,122.08
  5. Step 5: Solve for x
    x = 258,122.08/574.35
  6. Step 6: Final answer
    x = 449.42

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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.