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Finding the Fourth Proportional to 262,964.40, 394,446.60 and 162,799.80

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Solution

The fourth proportional to 262,964.40, 394,446.60 and 162,799.80 is: 244,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,964.40 : 394,446.60 = 162,799.80 : x
  2. Step 2: Convert to fraction form
    262,964.40/394,446.60 = 162,799.80/x
  3. Step 3: Cross multiply
    262,964.40x = 394,446.60 × 162,799.80
  4. Step 4: Simplify right side
    262,964.40x = 64,215,827,590.68
  5. Step 5: Solve for x
    x = 64,215,827,590.68/262,964.40
  6. Step 6: Final answer
    x = 244,199.70

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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.