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Finding the Fourth Proportional to 408,501.01, 563,723.30 and 227,209.04

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Solution

The fourth proportional to 408,501.01, 563,723.30 and 227,209.04 is: 313,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,501.01 : 563,723.30 = 227,209.04 : x
  2. Step 2: Convert to fraction form
    408,501.01/563,723.30 = 227,209.04/x
  3. Step 3: Cross multiply
    408,501.01x = 563,723.30 × 227,209.04
  4. Step 4: Simplify right side
    408,501.01x = 128,083,028,682.59
  5. Step 5: Solve for x
    x = 128,083,028,682.59/408,501.01
  6. Step 6: Final answer
    x = 313,543.97

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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.