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Finding the Fourth Proportional to 1,114.29, 1,537.41 and 694.83

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Solution

The fourth proportional to 1,114.29, 1,537.41 and 694.83 is: 958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.29 : 1,537.41 = 694.83 : x
  2. Step 2: Convert to fraction form
    1,114.29/1,537.41 = 694.83/x
  3. Step 3: Cross multiply
    1,114.29x = 1,537.41 × 694.83
  4. Step 4: Simplify right side
    1,114.29x = 1,068,238.59
  5. Step 5: Solve for x
    x = 1,068,238.59/1,114.29
  6. Step 6: Final answer
    x = 958.67

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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.