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Finding the Fourth Proportional to 347,920.92, 479,800.26 and 227,023.56

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Solution

The fourth proportional to 347,920.92, 479,800.26 and 227,023.56 is: 313,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,920.92 : 479,800.26 = 227,023.56 : x
  2. Step 2: Convert to fraction form
    347,920.92/479,800.26 = 227,023.56/x
  3. Step 3: Cross multiply
    347,920.92x = 479,800.26 × 227,023.56
  4. Step 4: Simplify right side
    347,920.92x = 108,925,963,114.13
  5. Step 5: Solve for x
    x = 108,925,963,114.13/347,920.92
  6. Step 6: Final answer
    x = 313,076.79

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1.5x scale

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.