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Finding the Fourth Proportional to 572.01, 789.33 and 323.36

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Solution

The fourth proportional to 572.01, 789.33 and 323.36 is: 446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.01 : 789.33 = 323.36 : x
  2. Step 2: Convert to fraction form
    572.01/789.33 = 323.36/x
  3. Step 3: Cross multiply
    572.01x = 789.33 × 323.36
  4. Step 4: Simplify right side
    572.01x = 255,235.01
  5. Step 5: Solve for x
    x = 255,235.01/572.01
  6. Step 6: Final answer
    x = 446.20

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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.