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Finding the Fourth Proportional to 729.54, 1,094.52 and 242.94

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Solution

The fourth proportional to 729.54, 1,094.52 and 242.94 is: 364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.54 : 1,094.52 = 242.94 : x
  2. Step 2: Convert to fraction form
    729.54/1,094.52 = 242.94/x
  3. Step 3: Cross multiply
    729.54x = 1,094.52 × 242.94
  4. Step 4: Simplify right side
    729.54x = 265,902.69
  5. Step 5: Solve for x
    x = 265,902.69/729.54
  6. Step 6: Final answer
    x = 364.48

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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.