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Finding the Fourth Proportional to 574,912.02, 862,494.24 and 170,072.54

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Solution

The fourth proportional to 574,912.02, 862,494.24 and 170,072.54 is: 255,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,912.02 : 862,494.24 = 170,072.54 : x
  2. Step 2: Convert to fraction form
    574,912.02/862,494.24 = 170,072.54/x
  3. Step 3: Cross multiply
    574,912.02x = 862,494.24 × 170,072.54
  4. Step 4: Simplify right side
    574,912.02x = 146,686,581,819.70
  5. Step 5: Solve for x
    x = 146,686,581,819.70/574,912.02
  6. Step 6: Final answer
    x = 255,146.14

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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.