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Finding the Fourth Proportional to 549.33, 824.18 and 333.06

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Solution

The fourth proportional to 549.33, 824.18 and 333.06 is: 499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.33 : 824.18 = 333.06 : x
  2. Step 2: Convert to fraction form
    549.33/824.18 = 333.06/x
  3. Step 3: Cross multiply
    549.33x = 824.18 × 333.06
  4. Step 4: Simplify right side
    549.33x = 274,499.73
  5. Step 5: Solve for x
    x = 274,499.73/549.33
  6. Step 6: Final answer
    x = 499.70

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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.