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Finding the Fourth Proportional to 483,977.60, 726,182.40 and 168,660.80

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Solution

The fourth proportional to 483,977.60, 726,182.40 and 168,660.80 is: 253,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,977.60 : 726,182.40 = 168,660.80 : x
  2. Step 2: Convert to fraction form
    483,977.60/726,182.40 = 168,660.80/x
  3. Step 3: Cross multiply
    483,977.60x = 726,182.40 × 168,660.80
  4. Step 4: Simplify right side
    483,977.60x = 122,478,504,529.92
  5. Step 5: Solve for x
    x = 122,478,504,529.92/483,977.60
  6. Step 6: Final answer
    x = 253,066.47

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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.