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Finding the Fourth Proportional to 404,449.80, 606,747.60 and 167,816.40

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Solution

The fourth proportional to 404,449.80, 606,747.60 and 167,816.40 is: 251,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,449.80 : 606,747.60 = 167,816.40 : x
  2. Step 2: Convert to fraction form
    404,449.80/606,747.60 = 167,816.40/x
  3. Step 3: Cross multiply
    404,449.80x = 606,747.60 × 167,816.40
  4. Step 4: Simplify right side
    404,449.80x = 101,822,197,940.64
  5. Step 5: Solve for x
    x = 101,822,197,940.64/404,449.80
  6. Step 6: Final answer
    x = 251,754.85

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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.