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Finding the Fourth Proportional to 1,182.89, 1,773.75 and 360.97

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Solution

The fourth proportional to 1,182.89, 1,773.75 and 360.97 is: 541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.89 : 1,773.75 = 360.97 : x
  2. Step 2: Convert to fraction form
    1,182.89/1,773.75 = 360.97/x
  3. Step 3: Cross multiply
    1,182.89x = 1,773.75 × 360.97
  4. Step 4: Simplify right side
    1,182.89x = 640,270.54
  5. Step 5: Solve for x
    x = 640,270.54/1,182.89
  6. Step 6: Final answer
    x = 541.28

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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.