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Finding the Fourth Proportional to 404,331.68, 606,489.24 and 179,631.20

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Solution

The fourth proportional to 404,331.68, 606,489.24 and 179,631.20 is: 269,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.68 : 606,489.24 = 179,631.20 : x
  2. Step 2: Convert to fraction form
    404,331.68/606,489.24 = 179,631.20/x
  3. Step 3: Cross multiply
    404,331.68x = 606,489.24 × 179,631.20
  4. Step 4: Simplify right side
    404,331.68x = 108,944,389,968.29
  5. Step 5: Solve for x
    x = 108,944,389,968.29/404,331.68
  6. Step 6: Final answer
    x = 269,443.12

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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.