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Finding the Fourth Proportional to 322,628.40, 483,359.40 and 275,972.40

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Solution

The fourth proportional to 322,628.40, 483,359.40 and 275,972.40 is: 413,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,628.40 : 483,359.40 = 275,972.40 : x
  2. Step 2: Convert to fraction form
    322,628.40/483,359.40 = 275,972.40/x
  3. Step 3: Cross multiply
    322,628.40x = 483,359.40 × 275,972.40
  4. Step 4: Simplify right side
    322,628.40x = 133,393,853,680.56
  5. Step 5: Solve for x
    x = 133,393,853,680.56/322,628.40
  6. Step 6: Final answer
    x = 413,459.74

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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.