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Finding the Fourth Proportional to 404,692.80, 606,553.20 and 167,913.60

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Solution

The fourth proportional to 404,692.80, 606,553.20 and 167,913.60 is: 251,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,692.80 : 606,553.20 = 167,913.60 : x
  2. Step 2: Convert to fraction form
    404,692.80/606,553.20 = 167,913.60/x
  3. Step 3: Cross multiply
    404,692.80x = 606,553.20 × 167,913.60
  4. Step 4: Simplify right side
    404,692.80x = 101,848,531,403.52
  5. Step 5: Solve for x
    x = 101,848,531,403.52/404,692.80
  6. Step 6: Final answer
    x = 251,668.75

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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.