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Finding the Fourth Proportional to 574.07, 792.16 and 325.34

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Solution

The fourth proportional to 574.07, 792.16 and 325.34 is: 448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.07 : 792.16 = 325.34 : x
  2. Step 2: Convert to fraction form
    574.07/792.16 = 325.34/x
  3. Step 3: Cross multiply
    574.07x = 792.16 × 325.34
  4. Step 4: Simplify right side
    574.07x = 257,721.33
  5. Step 5: Solve for x
    x = 257,721.33/574.07
  6. Step 6: Final answer
    x = 448.94

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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.