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Finding the Fourth Proportional to 713.06, 1,069.46 and 226.00

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Solution

The fourth proportional to 713.06, 1,069.46 and 226.00 is: 338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.06 : 1,069.46 = 226.00 : x
  2. Step 2: Convert to fraction form
    713.06/1,069.46 = 226.00/x
  3. Step 3: Cross multiply
    713.06x = 1,069.46 × 226.00
  4. Step 4: Simplify right side
    713.06x = 241,691.48
  5. Step 5: Solve for x
    x = 241,691.48/713.06
  6. Step 6: Final answer
    x = 338.95

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Why These Related Problems?

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