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Finding the Fourth Proportional to 574.69, 792.93 and 325.96

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Solution

The fourth proportional to 574.69, 792.93 and 325.96 is: 449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.69 : 792.93 = 325.96 : x
  2. Step 2: Convert to fraction form
    574.69/792.93 = 325.96/x
  3. Step 3: Cross multiply
    574.69x = 792.93 × 325.96
  4. Step 4: Simplify right side
    574.69x = 258,463.46
  5. Step 5: Solve for x
    x = 258,463.46/574.69
  6. Step 6: Final answer
    x = 449.74

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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.