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Finding the Fourth Proportional to 404,169.05, 606,253.54 and 226,689.90

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Solution

The fourth proportional to 404,169.05, 606,253.54 and 226,689.90 is: 340,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,169.05 : 606,253.54 = 226,689.90 : x
  2. Step 2: Convert to fraction form
    404,169.05/606,253.54 = 226,689.90/x
  3. Step 3: Cross multiply
    404,169.05x = 606,253.54 × 226,689.90
  4. Step 4: Simplify right side
    404,169.05x = 137,431,553,009.64
  5. Step 5: Solve for x
    x = 137,431,553,009.64/404,169.05
  6. Step 6: Final answer
    x = 340,034.83

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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.