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Finding the Fourth Proportional to 322,960.40, 484,246.20 and 165,496.40

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Solution

The fourth proportional to 322,960.40, 484,246.20 and 165,496.40 is: 248,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,960.40 : 484,246.20 = 165,496.40 : x
  2. Step 2: Convert to fraction form
    322,960.40/484,246.20 = 165,496.40/x
  3. Step 3: Cross multiply
    322,960.40x = 484,246.20 × 165,496.40
  4. Step 4: Simplify right side
    322,960.40x = 80,141,002,813.68
  5. Step 5: Solve for x
    x = 80,141,002,813.68/322,960.40
  6. Step 6: Final answer
    x = 248,144.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.