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Finding the Fourth Proportional to 415.81, 573.06 and 333.19

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Solution

The fourth proportional to 415.81, 573.06 and 333.19 is: 459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.81 : 573.06 = 333.19 : x
  2. Step 2: Convert to fraction form
    415.81/573.06 = 333.19/x
  3. Step 3: Cross multiply
    415.81x = 573.06 × 333.19
  4. Step 4: Simplify right side
    415.81x = 190,937.86
  5. Step 5: Solve for x
    x = 190,937.86/415.81
  6. Step 6: Final answer
    x = 459.19

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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.