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Finding the Fourth Proportional to 729.90, 1,094.84 and 182.08

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Solution

The fourth proportional to 729.90, 1,094.84 and 182.08 is: 273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.90 : 1,094.84 = 182.08 : x
  2. Step 2: Convert to fraction form
    729.90/1,094.84 = 182.08/x
  3. Step 3: Cross multiply
    729.90x = 1,094.84 × 182.08
  4. Step 4: Simplify right side
    729.90x = 199,348.47
  5. Step 5: Solve for x
    x = 199,348.47/729.90
  6. Step 6: Final answer
    x = 273.12

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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.