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Finding the Fourth Proportional to 404,417.92, 606,629.40 and 179,725.60

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Solution

The fourth proportional to 404,417.92, 606,629.40 and 179,725.60 is: 269,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,417.92 : 606,629.40 = 179,725.60 : x
  2. Step 2: Convert to fraction form
    404,417.92/606,629.40 = 179,725.60/x
  3. Step 3: Cross multiply
    404,417.92x = 606,629.40 × 179,725.60
  4. Step 4: Simplify right side
    404,417.92x = 109,026,832,892.64
  5. Step 5: Solve for x
    x = 109,026,832,892.64/404,417.92
  6. Step 6: Final answer
    x = 269,589.52

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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.