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Finding the Fourth Proportional to 1,259.76, 1,738.42 and 700.27

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Solution

The fourth proportional to 1,259.76, 1,738.42 and 700.27 is: 966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.76 : 1,738.42 = 700.27 : x
  2. Step 2: Convert to fraction form
    1,259.76/1,738.42 = 700.27/x
  3. Step 3: Cross multiply
    1,259.76x = 1,738.42 × 700.27
  4. Step 4: Simplify right side
    1,259.76x = 1,217,363.37
  5. Step 5: Solve for x
    x = 1,217,363.37/1,259.76
  6. Step 6: Final answer
    x = 966.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.