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Finding the Fourth Proportional to 1,181.44, 1,773.12 and 604.48

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Solution

The fourth proportional to 1,181.44, 1,773.12 and 604.48 is: 907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.44 : 1,773.12 = 604.48 : x
  2. Step 2: Convert to fraction form
    1,181.44/1,773.12 = 604.48/x
  3. Step 3: Cross multiply
    1,181.44x = 1,773.12 × 604.48
  4. Step 4: Simplify right side
    1,181.44x = 1,071,815.58
  5. Step 5: Solve for x
    x = 1,071,815.58/1,181.44
  6. Step 6: Final answer
    x = 907.21

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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.