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Finding the Fourth Proportional to 404,346.52, 606,415.98 and 119,969.79

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Solution

The fourth proportional to 404,346.52, 606,415.98 and 119,969.79 is: 179,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,346.52 : 606,415.98 = 119,969.79 : x
  2. Step 2: Convert to fraction form
    404,346.52/606,415.98 = 119,969.79/x
  3. Step 3: Cross multiply
    404,346.52x = 606,415.98 × 119,969.79
  4. Step 4: Simplify right side
    404,346.52x = 72,751,597,773.24
  5. Step 5: Solve for x
    x = 72,751,597,773.24/404,346.52
  6. Step 6: Final answer
    x = 179,923.89

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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.