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Finding the Fourth Proportional to 404,682.80, 606,538.20 and 167,903.60

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Solution

The fourth proportional to 404,682.80, 606,538.20 and 167,903.60 is: 251,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,682.80 : 606,538.20 = 167,903.60 : x
  2. Step 2: Convert to fraction form
    404,682.80/606,538.20 = 167,903.60/x
  3. Step 3: Cross multiply
    404,682.80x = 606,538.20 × 167,903.60
  4. Step 4: Simplify right side
    404,682.80x = 101,839,947,317.52
  5. Step 5: Solve for x
    x = 101,839,947,317.52/404,682.80
  6. Step 6: Final answer
    x = 251,653.76

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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.