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Finding the Fourth Proportional to 1,294.44, 1,942.20 and 832.08

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Solution

The fourth proportional to 1,294.44, 1,942.20 and 832.08 is: 1,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.44 : 1,942.20 = 832.08 : x
  2. Step 2: Convert to fraction form
    1,294.44/1,942.20 = 832.08/x
  3. Step 3: Cross multiply
    1,294.44x = 1,942.20 × 832.08
  4. Step 4: Simplify right side
    1,294.44x = 1,616,065.78
  5. Step 5: Solve for x
    x = 1,616,065.78/1,294.44
  6. Step 6: Final answer
    x = 1,248.47

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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.