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Finding the Fourth Proportional to 415.68, 573.14 and 333.06

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Solution

The fourth proportional to 415.68, 573.14 and 333.06 is: 459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.68 : 573.14 = 333.06 : x
  2. Step 2: Convert to fraction form
    415.68/573.14 = 333.06/x
  3. Step 3: Cross multiply
    415.68x = 573.14 × 333.06
  4. Step 4: Simplify right side
    415.68x = 190,890.01
  5. Step 5: Solve for x
    x = 190,890.01/415.68
  6. Step 6: Final answer
    x = 459.22

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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.