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Finding the Fourth Proportional to 431.18, 594.94 and 254.10

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Solution

The fourth proportional to 431.18, 594.94 and 254.10 is: 350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.18 : 594.94 = 254.10 : x
  2. Step 2: Convert to fraction form
    431.18/594.94 = 254.10/x
  3. Step 3: Cross multiply
    431.18x = 594.94 × 254.10
  4. Step 4: Simplify right side
    431.18x = 151,174.25
  5. Step 5: Solve for x
    x = 151,174.25/431.18
  6. Step 6: Final answer
    x = 350.61

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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.