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Finding the Fourth Proportional to 1,232.39, 1,848.31 and 410.44

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Solution

The fourth proportional to 1,232.39, 1,848.31 and 410.44 is: 615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.39 : 1,848.31 = 410.44 : x
  2. Step 2: Convert to fraction form
    1,232.39/1,848.31 = 410.44/x
  3. Step 3: Cross multiply
    1,232.39x = 1,848.31 × 410.44
  4. Step 4: Simplify right side
    1,232.39x = 758,620.36
  5. Step 5: Solve for x
    x = 758,620.36/1,232.39
  6. Step 6: Final answer
    x = 615.57

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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.