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Finding the Fourth Proportional to 713.90, 1,071 and 226.99

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Solution

The fourth proportional to 713.90, 1,071 and 226.99 is: 340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.90 : 1,071 = 226.99 : x
  2. Step 2: Convert to fraction form
    713.90/1,071 = 226.99/x
  3. Step 3: Cross multiply
    713.90x = 1,071 × 226.99
  4. Step 4: Simplify right side
    713.90x = 243,106.29
  5. Step 5: Solve for x
    x = 243,106.29/713.90
  6. Step 6: Final answer
    x = 340.53

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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.