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Finding the Fourth Proportional to 736.96, 1,104.64 and 371.04

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Solution

The fourth proportional to 736.96, 1,104.64 and 371.04 is: 556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.96 : 1,104.64 = 371.04 : x
  2. Step 2: Convert to fraction form
    736.96/1,104.64 = 371.04/x
  3. Step 3: Cross multiply
    736.96x = 1,104.64 × 371.04
  4. Step 4: Simplify right side
    736.96x = 409,865.63
  5. Step 5: Solve for x
    x = 409,865.63/736.96
  6. Step 6: Final answer
    x = 556.16

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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.