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Finding the Fourth Proportional to 1,004.44, 1,506.66 and 274.06

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Solution

The fourth proportional to 1,004.44, 1,506.66 and 274.06 is: 411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.44 : 1,506.66 = 274.06 : x
  2. Step 2: Convert to fraction form
    1,004.44/1,506.66 = 274.06/x
  3. Step 3: Cross multiply
    1,004.44x = 1,506.66 × 274.06
  4. Step 4: Simplify right side
    1,004.44x = 412,915.24
  5. Step 5: Solve for x
    x = 412,915.24/1,004.44
  6. Step 6: Final answer
    x = 411.09

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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.