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Finding the Fourth Proportional to 460.16, 634.24 and 372.48

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Solution

The fourth proportional to 460.16, 634.24 and 372.48 is: 513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.16 : 634.24 = 372.48 : x
  2. Step 2: Convert to fraction form
    460.16/634.24 = 372.48/x
  3. Step 3: Cross multiply
    460.16x = 634.24 × 372.48
  4. Step 4: Simplify right side
    460.16x = 236,241.72
  5. Step 5: Solve for x
    x = 236,241.72/460.16
  6. Step 6: Final answer
    x = 513.39

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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.