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Finding the Fourth Proportional to 415.99, 574 and 241.35

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Solution

The fourth proportional to 415.99, 574 and 241.35 is: 333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.99 : 574 = 241.35 : x
  2. Step 2: Convert to fraction form
    415.99/574 = 241.35/x
  3. Step 3: Cross multiply
    415.99x = 574 × 241.35
  4. Step 4: Simplify right side
    415.99x = 138,534.90
  5. Step 5: Solve for x
    x = 138,534.90/415.99
  6. Step 6: Final answer
    x = 333.02

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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.