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Finding the Fourth Proportional to 1,738.94, 2,609.58 and 698.96

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Solution

The fourth proportional to 1,738.94, 2,609.58 and 698.96 is: 1,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.94 : 2,609.58 = 698.96 : x
  2. Step 2: Convert to fraction form
    1,738.94/2,609.58 = 698.96/x
  3. Step 3: Cross multiply
    1,738.94x = 2,609.58 × 698.96
  4. Step 4: Simplify right side
    1,738.94x = 1,824,001.18
  5. Step 5: Solve for x
    x = 1,824,001.18/1,738.94
  6. Step 6: Final answer
    x = 1,048.92

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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.