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Finding the Fourth Proportional to 736.73, 1,104.88 and 297.84

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Solution

The fourth proportional to 736.73, 1,104.88 and 297.84 is: 446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.73 : 1,104.88 = 297.84 : x
  2. Step 2: Convert to fraction form
    736.73/1,104.88 = 297.84/x
  3. Step 3: Cross multiply
    736.73x = 1,104.88 × 297.84
  4. Step 4: Simplify right side
    736.73x = 329,077.46
  5. Step 5: Solve for x
    x = 329,077.46/736.73
  6. Step 6: Final answer
    x = 446.67

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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.