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Finding the Fourth Proportional to 1,181.97, 1,773 and 566.19

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Solution

The fourth proportional to 1,181.97, 1,773 and 566.19 is: 849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.97 : 1,773 = 566.19 : x
  2. Step 2: Convert to fraction form
    1,181.97/1,773 = 566.19/x
  3. Step 3: Cross multiply
    1,181.97x = 1,773 × 566.19
  4. Step 4: Simplify right side
    1,181.97x = 1,003,854.87
  5. Step 5: Solve for x
    x = 1,003,854.87/1,181.97
  6. Step 6: Final answer
    x = 849.31

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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.