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Finding the Fourth Proportional to 1,196.48, 1,650.94 and 699.08

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Solution

The fourth proportional to 1,196.48, 1,650.94 and 699.08 is: 964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.48 : 1,650.94 = 699.08 : x
  2. Step 2: Convert to fraction form
    1,196.48/1,650.94 = 699.08/x
  3. Step 3: Cross multiply
    1,196.48x = 1,650.94 × 699.08
  4. Step 4: Simplify right side
    1,196.48x = 1,154,139.14
  5. Step 5: Solve for x
    x = 1,154,139.14/1,196.48
  6. Step 6: Final answer
    x = 964.61

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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.