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Finding the Fourth Proportional to 729.54, 1,094.46 and 242.55

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Solution

The fourth proportional to 729.54, 1,094.46 and 242.55 is: 363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.54 : 1,094.46 = 242.55 : x
  2. Step 2: Convert to fraction form
    729.54/1,094.46 = 242.55/x
  3. Step 3: Cross multiply
    729.54x = 1,094.46 × 242.55
  4. Step 4: Simplify right side
    729.54x = 265,460.06
  5. Step 5: Solve for x
    x = 265,460.06/729.54
  6. Step 6: Final answer
    x = 363.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.