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Finding the Fourth Proportional to 1,233.72, 1,850.63 and 368.03

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Solution

The fourth proportional to 1,233.72, 1,850.63 and 368.03 is: 552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.72 : 1,850.63 = 368.03 : x
  2. Step 2: Convert to fraction form
    1,233.72/1,850.63 = 368.03/x
  3. Step 3: Cross multiply
    1,233.72x = 1,850.63 × 368.03
  4. Step 4: Simplify right side
    1,233.72x = 681,087.36
  5. Step 5: Solve for x
    x = 681,087.36/1,233.72
  6. Step 6: Final answer
    x = 552.06

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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.