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Finding the Fourth Proportional to 463,141.80, 694,712.70 and 163,960.20

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Solution

The fourth proportional to 463,141.80, 694,712.70 and 163,960.20 is: 245,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,141.80 : 694,712.70 = 163,960.20 : x
  2. Step 2: Convert to fraction form
    463,141.80/694,712.70 = 163,960.20/x
  3. Step 3: Cross multiply
    463,141.80x = 694,712.70 × 163,960.20
  4. Step 4: Simplify right side
    463,141.80x = 113,905,233,234.54
  5. Step 5: Solve for x
    x = 113,905,233,234.54/463,141.80
  6. Step 6: Final answer
    x = 245,940.30

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Similar ratio
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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.