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Finding the Fourth Proportional to 663,180.80, 994,771.20 and 164,544.80

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Solution

The fourth proportional to 663,180.80, 994,771.20 and 164,544.80 is: 246,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,180.80 : 994,771.20 = 164,544.80 : x
  2. Step 2: Convert to fraction form
    663,180.80/994,771.20 = 164,544.80/x
  3. Step 3: Cross multiply
    663,180.80x = 994,771.20 × 164,544.80
  4. Step 4: Simplify right side
    663,180.80x = 163,684,428,149.76
  5. Step 5: Solve for x
    x = 163,684,428,149.76/663,180.80
  6. Step 6: Final answer
    x = 246,817.20

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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.