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Finding the Fourth Proportional to 322,474.60, 483,711.90 and 163,042.30

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Solution

The fourth proportional to 322,474.60, 483,711.90 and 163,042.30 is: 244,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,474.60 : 483,711.90 = 163,042.30 : x
  2. Step 2: Convert to fraction form
    322,474.60/483,711.90 = 163,042.30/x
  3. Step 3: Cross multiply
    322,474.60x = 483,711.90 × 163,042.30
  4. Step 4: Simplify right side
    322,474.60x = 78,865,500,713.37
  5. Step 5: Solve for x
    x = 78,865,500,713.37/322,474.60
  6. Step 6: Final answer
    x = 244,563.45

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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.