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Finding the Fourth Proportional to 404,568.96, 606,665.70 and 236,137.79

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Solution

The fourth proportional to 404,568.96, 606,665.70 and 236,137.79 is: 354,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,568.96 : 606,665.70 = 236,137.79 : x
  2. Step 2: Convert to fraction form
    404,568.96/606,665.70 = 236,137.79/x
  3. Step 3: Cross multiply
    404,568.96x = 606,665.70 × 236,137.79
  4. Step 4: Simplify right side
    404,568.96x = 143,256,694,633.48
  5. Step 5: Solve for x
    x = 143,256,694,633.48/404,568.96
  6. Step 6: Final answer
    x = 354,097.10

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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.