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Finding the Fourth Proportional to 575.08, 793.66 and 326.41

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Solution

The fourth proportional to 575.08, 793.66 and 326.41 is: 450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.08 : 793.66 = 326.41 : x
  2. Step 2: Convert to fraction form
    575.08/793.66 = 326.41/x
  3. Step 3: Cross multiply
    575.08x = 793.66 × 326.41
  4. Step 4: Simplify right side
    575.08x = 259,059.92
  5. Step 5: Solve for x
    x = 259,059.92/575.08
  6. Step 6: Final answer
    x = 450.47

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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.