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Finding the Fourth Proportional to 736.39, 1,104.58 and 242.84

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Solution

The fourth proportional to 736.39, 1,104.58 and 242.84 is: 364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.39 : 1,104.58 = 242.84 : x
  2. Step 2: Convert to fraction form
    736.39/1,104.58 = 242.84/x
  3. Step 3: Cross multiply
    736.39x = 1,104.58 × 242.84
  4. Step 4: Simplify right side
    736.39x = 268,236.21
  5. Step 5: Solve for x
    x = 268,236.21/736.39
  6. Step 6: Final answer
    x = 364.26

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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.