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Finding the Fourth Proportional to 1,134.82, 1,702.23 and 365.86

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Solution

The fourth proportional to 1,134.82, 1,702.23 and 365.86 is: 548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.82 : 1,702.23 = 365.86 : x
  2. Step 2: Convert to fraction form
    1,134.82/1,702.23 = 365.86/x
  3. Step 3: Cross multiply
    1,134.82x = 1,702.23 × 365.86
  4. Step 4: Simplify right side
    1,134.82x = 622,777.87
  5. Step 5: Solve for x
    x = 622,777.87/1,134.82
  6. Step 6: Final answer
    x = 548.79

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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.