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Finding the Fourth Proportional to 1,262.01, 1,741.56 and 694.84

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Solution

The fourth proportional to 1,262.01, 1,741.56 and 694.84 is: 958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.01 : 1,741.56 = 694.84 : x
  2. Step 2: Convert to fraction form
    1,262.01/1,741.56 = 694.84/x
  3. Step 3: Cross multiply
    1,262.01x = 1,741.56 × 694.84
  4. Step 4: Simplify right side
    1,262.01x = 1,210,105.55
  5. Step 5: Solve for x
    x = 1,210,105.55/1,262.01
  6. Step 6: Final answer
    x = 958.87

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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.