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Finding the Fourth Proportional to 408,065.62, 563,119.29 and 226,772.89

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Solution

The fourth proportional to 408,065.62, 563,119.29 and 226,772.89 is: 312,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,065.62 : 563,119.29 = 226,772.89 : x
  2. Step 2: Convert to fraction form
    408,065.62/563,119.29 = 226,772.89/x
  3. Step 3: Cross multiply
    408,065.62x = 563,119.29 × 226,772.89
  4. Step 4: Simplify right side
    408,065.62x = 127,700,188,808.05
  5. Step 5: Solve for x
    x = 127,700,188,808.05/408,065.62
  6. Step 6: Final answer
    x = 312,940.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.