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Finding the Fourth Proportional to 404,828.86, 607,245.36 and 168,171.80

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Solution

The fourth proportional to 404,828.86, 607,245.36 and 168,171.80 is: 252,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,828.86 : 607,245.36 = 168,171.80 : x
  2. Step 2: Convert to fraction form
    404,828.86/607,245.36 = 168,171.80/x
  3. Step 3: Cross multiply
    404,828.86x = 607,245.36 × 168,171.80
  4. Step 4: Simplify right side
    404,828.86x = 102,121,545,232.85
  5. Step 5: Solve for x
    x = 102,121,545,232.85/404,828.86
  6. Step 6: Final answer
    x = 252,258.56

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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.