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Finding the Fourth Proportional to 637.39, 955.18 and 252.19

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Solution

The fourth proportional to 637.39, 955.18 and 252.19 is: 377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.39 : 955.18 = 252.19 : x
  2. Step 2: Convert to fraction form
    637.39/955.18 = 252.19/x
  3. Step 3: Cross multiply
    637.39x = 955.18 × 252.19
  4. Step 4: Simplify right side
    637.39x = 240,884.77
  5. Step 5: Solve for x
    x = 240,884.77/637.39
  6. Step 6: Final answer
    x = 377.93

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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.