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Finding the Fourth Proportional to 408,360.32, 563,550.33 and 227,079.89

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Solution

The fourth proportional to 408,360.32, 563,550.33 and 227,079.89 is: 313,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,360.32 : 563,550.33 = 227,079.89 : x
  2. Step 2: Convert to fraction form
    408,360.32/563,550.33 = 227,079.89/x
  3. Step 3: Cross multiply
    408,360.32x = 563,550.33 × 227,079.89
  4. Step 4: Simplify right side
    408,360.32x = 127,970,946,945.86
  5. Step 5: Solve for x
    x = 127,970,946,945.86/408,360.32
  6. Step 6: Final answer
    x = 313,377.53

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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.