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Finding the Fourth Proportional to 1,233.63, 1,850.31 and 368.01

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Solution

The fourth proportional to 1,233.63, 1,850.31 and 368.01 is: 551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.63 : 1,850.31 = 368.01 : x
  2. Step 2: Convert to fraction form
    1,233.63/1,850.31 = 368.01/x
  3. Step 3: Cross multiply
    1,233.63x = 1,850.31 × 368.01
  4. Step 4: Simplify right side
    1,233.63x = 680,932.58
  5. Step 5: Solve for x
    x = 680,932.58/1,233.63
  6. Step 6: Final answer
    x = 551.97

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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.