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Finding the Fourth Proportional to 2,342.46, 3,513.69 and 611.04

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Solution

The fourth proportional to 2,342.46, 3,513.69 and 611.04 is: 916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.46 : 3,513.69 = 611.04 : x
  2. Step 2: Convert to fraction form
    2,342.46/3,513.69 = 611.04/x
  3. Step 3: Cross multiply
    2,342.46x = 3,513.69 × 611.04
  4. Step 4: Simplify right side
    2,342.46x = 2,147,005.14
  5. Step 5: Solve for x
    x = 2,147,005.14/2,342.46
  6. Step 6: Final answer
    x = 916.56

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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.