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Finding the Fourth Proportional to 2,266.85, 3,400.79 and 706.84

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Solution

The fourth proportional to 2,266.85, 3,400.79 and 706.84 is: 1,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.85 : 3,400.79 = 706.84 : x
  2. Step 2: Convert to fraction form
    2,266.85/3,400.79 = 706.84/x
  3. Step 3: Cross multiply
    2,266.85x = 3,400.79 × 706.84
  4. Step 4: Simplify right side
    2,266.85x = 2,403,802.37
  5. Step 5: Solve for x
    x = 2,403,802.37/2,266.85
  6. Step 6: Final answer
    x = 1,060.41

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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.