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Finding the Fourth Proportional to 1,196.42, 1,651.12 and 699.03

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Solution

The fourth proportional to 1,196.42, 1,651.12 and 699.03 is: 964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.42 : 1,651.12 = 699.03 : x
  2. Step 2: Convert to fraction form
    1,196.42/1,651.12 = 699.03/x
  3. Step 3: Cross multiply
    1,196.42x = 1,651.12 × 699.03
  4. Step 4: Simplify right side
    1,196.42x = 1,154,170.66
  5. Step 5: Solve for x
    x = 1,154,170.66/1,196.42
  6. Step 6: Final answer
    x = 964.69

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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.