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Finding the Fourth Proportional to 404,329.68, 606,486.24 and 179,629.20

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Solution

The fourth proportional to 404,329.68, 606,486.24 and 179,629.20 is: 269,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,329.68 : 606,486.24 = 179,629.20 : x
  2. Step 2: Convert to fraction form
    404,329.68/606,486.24 = 179,629.20/x
  3. Step 3: Cross multiply
    404,329.68x = 606,486.24 × 179,629.20
  4. Step 4: Simplify right side
    404,329.68x = 108,942,638,102.21
  5. Step 5: Solve for x
    x = 108,942,638,102.21/404,329.68
  6. Step 6: Final answer
    x = 269,440.12

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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.