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Finding the Fourth Proportional to 406,522.26, 609,685.36 and 169,736.58

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Solution

The fourth proportional to 406,522.26, 609,685.36 and 169,736.58 is: 254,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,522.26 : 609,685.36 = 169,736.58 : x
  2. Step 2: Convert to fraction form
    406,522.26/609,685.36 = 169,736.58/x
  3. Step 3: Cross multiply
    406,522.26x = 609,685.36 × 169,736.58
  4. Step 4: Simplify right side
    406,522.26x = 103,485,907,882.47
  5. Step 5: Solve for x
    x = 103,485,907,882.47/406,522.26
  6. Step 6: Final answer
    x = 254,563.94

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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.