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Finding the Fourth Proportional to 575.16, 793.73 and 326.48

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Solution

The fourth proportional to 575.16, 793.73 and 326.48 is: 450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.16 : 793.73 = 326.48 : x
  2. Step 2: Convert to fraction form
    575.16/793.73 = 326.48/x
  3. Step 3: Cross multiply
    575.16x = 793.73 × 326.48
  4. Step 4: Simplify right side
    575.16x = 259,133.00
  5. Step 5: Solve for x
    x = 259,133.00/575.16
  6. Step 6: Final answer
    x = 450.54

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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.