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Finding the Fourth Proportional to 397,151.64, 548,059.50 and 227,371.32

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Solution

The fourth proportional to 397,151.64, 548,059.50 and 227,371.32 is: 313,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,151.64 : 548,059.50 = 227,371.32 : x
  2. Step 2: Convert to fraction form
    397,151.64/548,059.50 = 227,371.32/x
  3. Step 3: Cross multiply
    397,151.64x = 548,059.50 × 227,371.32
  4. Step 4: Simplify right side
    397,151.64x = 124,613,011,953.54
  5. Step 5: Solve for x
    x = 124,613,011,953.54/397,151.64
  6. Step 6: Final answer
    x = 313,766.83

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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.