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Finding the Fourth Proportional to 408,660.59, 563,942.82 and 236,585.84

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Solution

The fourth proportional to 408,660.59, 563,942.82 and 236,585.84 is: 326,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660.59 : 563,942.82 = 236,585.84 : x
  2. Step 2: Convert to fraction form
    408,660.59/563,942.82 = 236,585.84/x
  3. Step 3: Cross multiply
    408,660.59x = 563,942.82 × 236,585.84
  4. Step 4: Simplify right side
    408,660.59x = 133,420,882,961.96
  5. Step 5: Solve for x
    x = 133,420,882,961.96/408,660.59
  6. Step 6: Final answer
    x = 326,483.37

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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.