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Finding the Fourth Proportional to 329,286.75, 454,424.57 and 186,043.74

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Solution

The fourth proportional to 329,286.75, 454,424.57 and 186,043.74 is: 256,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,286.75 : 454,424.57 = 186,043.74 : x
  2. Step 2: Convert to fraction form
    329,286.75/454,424.57 = 186,043.74/x
  3. Step 3: Cross multiply
    329,286.75x = 454,424.57 × 186,043.74
  4. Step 4: Simplify right side
    329,286.75x = 84,542,846,550.69
  5. Step 5: Solve for x
    x = 84,542,846,550.69/329,286.75
  6. Step 6: Final answer
    x = 256,745.36

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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.