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Finding the Fourth Proportional to 701.42, 967.96 and 386.69

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Solution

The fourth proportional to 701.42, 967.96 and 386.69 is: 533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.42 : 967.96 = 386.69 : x
  2. Step 2: Convert to fraction form
    701.42/967.96 = 386.69/x
  3. Step 3: Cross multiply
    701.42x = 967.96 × 386.69
  4. Step 4: Simplify right side
    701.42x = 374,300.35
  5. Step 5: Solve for x
    x = 374,300.35/701.42
  6. Step 6: Final answer
    x = 533.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.