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Finding the Fourth Proportional to 632.37, 872.43 and 466.98

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Solution

The fourth proportional to 632.37, 872.43 and 466.98 is: 644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.37 : 872.43 = 466.98 : x
  2. Step 2: Convert to fraction form
    632.37/872.43 = 466.98/x
  3. Step 3: Cross multiply
    632.37x = 872.43 × 466.98
  4. Step 4: Simplify right side
    632.37x = 407,407.36
  5. Step 5: Solve for x
    x = 407,407.36/632.37
  6. Step 6: Final answer
    x = 644.25

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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.