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Finding the Fourth Proportional to 632.14, 872.33 and 352.37

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Solution

The fourth proportional to 632.14, 872.33 and 352.37 is: 486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.14 : 872.33 = 352.37 : x
  2. Step 2: Convert to fraction form
    632.14/872.33 = 352.37/x
  3. Step 3: Cross multiply
    632.14x = 872.33 × 352.37
  4. Step 4: Simplify right side
    632.14x = 307,376.80
  5. Step 5: Solve for x
    x = 307,376.80/632.14
  6. Step 6: Final answer
    x = 486.25

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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.