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Finding the Fourth Proportional to 1,134.29, 1,702.04 and 484.97

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Solution

The fourth proportional to 1,134.29, 1,702.04 and 484.97 is: 727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.29 : 1,702.04 = 484.97 : x
  2. Step 2: Convert to fraction form
    1,134.29/1,702.04 = 484.97/x
  3. Step 3: Cross multiply
    1,134.29x = 1,702.04 × 484.97
  4. Step 4: Simplify right side
    1,134.29x = 825,427.40
  5. Step 5: Solve for x
    x = 825,427.40/1,134.29
  6. Step 6: Final answer
    x = 727.71

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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.