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Finding the Fourth Proportional to 274,706.35, 412,043.56 and 82,576.63

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Solution

The fourth proportional to 274,706.35, 412,043.56 and 82,576.63 is: 123,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,706.35 : 412,043.56 = 82,576.63 : x
  2. Step 2: Convert to fraction form
    274,706.35/412,043.56 = 82,576.63/x
  3. Step 3: Cross multiply
    274,706.35x = 412,043.56 × 82,576.63
  4. Step 4: Simplify right side
    274,706.35x = 34,025,168,598.00
  5. Step 5: Solve for x
    x = 34,025,168,598.00/274,706.35
  6. Step 6: Final answer
    x = 123,860.15

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1.5x scale

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.