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Finding the Fourth Proportional to 488, 673.44 and 333.02

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Solution

The fourth proportional to 488, 673.44 and 333.02 is: 459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    488 : 673.44 = 333.02 : x
  2. Step 2: Convert to fraction form
    488/673.44 = 333.02/x
  3. Step 3: Cross multiply
    488x = 673.44 × 333.02
  4. Step 4: Simplify right side
    488x = 224,268.99
  5. Step 5: Solve for x
    x = 224,268.99/488
  6. Step 6: Final answer
    x = 459.57

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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.