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Finding the Fourth Proportional to 549.96, 825.72 and 333.68

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Solution

The fourth proportional to 549.96, 825.72 and 333.68 is: 500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.96 : 825.72 = 333.68 : x
  2. Step 2: Convert to fraction form
    549.96/825.72 = 333.68/x
  3. Step 3: Cross multiply
    549.96x = 825.72 × 333.68
  4. Step 4: Simplify right side
    549.96x = 275,526.25
  5. Step 5: Solve for x
    x = 275,526.25/549.96
  6. Step 6: Final answer
    x = 500.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.