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Finding the Fourth Proportional to 1,429.74, 2,144.34 and 796.77

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Solution

The fourth proportional to 1,429.74, 2,144.34 and 796.77 is: 1,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.74 : 2,144.34 = 796.77 : x
  2. Step 2: Convert to fraction form
    1,429.74/2,144.34 = 796.77/x
  3. Step 3: Cross multiply
    1,429.74x = 2,144.34 × 796.77
  4. Step 4: Simplify right side
    1,429.74x = 1,708,545.78
  5. Step 5: Solve for x
    x = 1,708,545.78/1,429.74
  6. Step 6: Final answer
    x = 1,195.00

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