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Finding the Fourth Proportional to 1,196.54, 1,795.41 and 547.19

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Solution

The fourth proportional to 1,196.54, 1,795.41 and 547.19 is: 821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.54 : 1,795.41 = 547.19 : x
  2. Step 2: Convert to fraction form
    1,196.54/1,795.41 = 547.19/x
  3. Step 3: Cross multiply
    1,196.54x = 1,795.41 × 547.19
  4. Step 4: Simplify right side
    1,196.54x = 982,421.42
  5. Step 5: Solve for x
    x = 982,421.42/1,196.54
  6. Step 6: Final answer
    x = 821.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.