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Finding the Fourth Proportional to 575.18, 793.56 and 326.49

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Solution

The fourth proportional to 575.18, 793.56 and 326.49 is: 450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.18 : 793.56 = 326.49 : x
  2. Step 2: Convert to fraction form
    575.18/793.56 = 326.49/x
  3. Step 3: Cross multiply
    575.18x = 793.56 × 326.49
  4. Step 4: Simplify right side
    575.18x = 259,089.40
  5. Step 5: Solve for x
    x = 259,089.40/575.18
  6. Step 6: Final answer
    x = 450.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.