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Finding the Fourth Proportional to 329,171.21, 454,293.21 and 185,940.48

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Solution

The fourth proportional to 329,171.21, 454,293.21 and 185,940.48 is: 256,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,171.21 : 454,293.21 = 185,940.48 : x
  2. Step 2: Convert to fraction form
    329,171.21/454,293.21 = 185,940.48/x
  3. Step 3: Cross multiply
    329,171.21x = 454,293.21 × 185,940.48
  4. Step 4: Simplify right side
    329,171.21x = 84,471,497,528.14
  5. Step 5: Solve for x
    x = 84,471,497,528.14/329,171.21
  6. Step 6: Final answer
    x = 256,618.73

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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.