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Finding the Fourth Proportional to 408,665.00, 563,960.52 and 227,384.57

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Solution

The fourth proportional to 408,665.00, 563,960.52 and 227,384.57 is: 313,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,665.00 : 563,960.52 = 227,384.57 : x
  2. Step 2: Convert to fraction form
    408,665.00/563,960.52 = 227,384.57/x
  3. Step 3: Cross multiply
    408,665.00x = 563,960.52 × 227,384.57
  4. Step 4: Simplify right side
    408,665.00x = 128,235,921,747.08
  5. Step 5: Solve for x
    x = 128,235,921,747.08/408,665.00
  6. Step 6: Final answer
    x = 313,792.28

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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.