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Finding the Fourth Proportional to 466.44, 643.32 and 459.24

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Solution

The fourth proportional to 466.44, 643.32 and 459.24 is: 633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.44 : 643.32 = 459.24 : x
  2. Step 2: Convert to fraction form
    466.44/643.32 = 459.24/x
  3. Step 3: Cross multiply
    466.44x = 643.32 × 459.24
  4. Step 4: Simplify right side
    466.44x = 295,438.28
  5. Step 5: Solve for x
    x = 295,438.28/466.44
  6. Step 6: Final answer
    x = 633.39

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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.