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Finding the Fourth Proportional to 713.16, 1,069.52 and 226.08

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Solution

The fourth proportional to 713.16, 1,069.52 and 226.08 is: 339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.16 : 1,069.52 = 226.08 : x
  2. Step 2: Convert to fraction form
    713.16/1,069.52 = 226.08/x
  3. Step 3: Cross multiply
    713.16x = 1,069.52 × 226.08
  4. Step 4: Simplify right side
    713.16x = 241,797.08
  5. Step 5: Solve for x
    x = 241,797.08/713.16
  6. Step 6: Final answer
    x = 339.05

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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.