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Finding the Fourth Proportional to 484,057.60, 726,086.40 and 168,409.60

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Solution

The fourth proportional to 484,057.60, 726,086.40 and 168,409.60 is: 252,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,057.60 : 726,086.40 = 168,409.60 : x
  2. Step 2: Convert to fraction form
    484,057.60/726,086.40 = 168,409.60/x
  3. Step 3: Cross multiply
    484,057.60x = 726,086.40 × 168,409.60
  4. Step 4: Simplify right side
    484,057.60x = 122,279,920,189.44
  5. Step 5: Solve for x
    x = 122,279,920,189.44/484,057.60
  6. Step 6: Final answer
    x = 252,614.40

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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.