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Finding the Fourth Proportional to 662,730.80, 994,096.20 and 219,498.80

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Solution

The fourth proportional to 662,730.80, 994,096.20 and 219,498.80 is: 329,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,730.80 : 994,096.20 = 219,498.80 : x
  2. Step 2: Convert to fraction form
    662,730.80/994,096.20 = 219,498.80/x
  3. Step 3: Cross multiply
    662,730.80x = 994,096.20 × 219,498.80
  4. Step 4: Simplify right side
    662,730.80x = 218,202,922,984.56
  5. Step 5: Solve for x
    x = 218,202,922,984.56/662,730.80
  6. Step 6: Final answer
    x = 329,248.20

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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.