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Finding the Fourth Proportional to 632.98, 949.23 and 359.26

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Solution

The fourth proportional to 632.98, 949.23 and 359.26 is: 538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.98 : 949.23 = 359.26 : x
  2. Step 2: Convert to fraction form
    632.98/949.23 = 359.26/x
  3. Step 3: Cross multiply
    632.98x = 949.23 × 359.26
  4. Step 4: Simplify right side
    632.98x = 341,020.37
  5. Step 5: Solve for x
    x = 341,020.37/632.98
  6. Step 6: Final answer
    x = 538.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.