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Finding the Fourth Proportional to 652,515.62, 978,771.56 and 179,201.43

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Solution

The fourth proportional to 652,515.62, 978,771.56 and 179,201.43 is: 268,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,515.62 : 978,771.56 = 179,201.43 : x
  2. Step 2: Convert to fraction form
    652,515.62/978,771.56 = 179,201.43/x
  3. Step 3: Cross multiply
    652,515.62x = 978,771.56 × 179,201.43
  4. Step 4: Simplify right side
    652,515.62x = 175,397,262,299.32
  5. Step 5: Solve for x
    x = 175,397,262,299.32/652,515.62
  6. Step 6: Final answer
    x = 268,801.63

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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.