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Finding the Fourth Proportional to 1,166.00, 1,609.43 and 694.24

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Solution

The fourth proportional to 1,166.00, 1,609.43 and 694.24 is: 958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.00 : 1,609.43 = 694.24 : x
  2. Step 2: Convert to fraction form
    1,166.00/1,609.43 = 694.24/x
  3. Step 3: Cross multiply
    1,166.00x = 1,609.43 × 694.24
  4. Step 4: Simplify right side
    1,166.00x = 1,117,323.19
  5. Step 5: Solve for x
    x = 1,117,323.19/1,166.00
  6. Step 6: Final answer
    x = 958.25

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Why These Related Problems?

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