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Finding the Fourth Proportional to 404,513.55, 606,989.03 and 179,908.65

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Solution

The fourth proportional to 404,513.55, 606,989.03 and 179,908.65 is: 269,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,513.55 : 606,989.03 = 179,908.65 : x
  2. Step 2: Convert to fraction form
    404,513.55/606,989.03 = 179,908.65/x
  3. Step 3: Cross multiply
    404,513.55x = 606,989.03 × 179,908.65
  4. Step 4: Simplify right side
    404,513.55x = 109,202,576,052.57
  5. Step 5: Solve for x
    x = 109,202,576,052.57/404,513.55
  6. Step 6: Final answer
    x = 269,960.24

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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.