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Finding the Fourth Proportional to 483,735.76, 725,619.84 and 168,195.40

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Solution

The fourth proportional to 483,735.76, 725,619.84 and 168,195.40 is: 252,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,735.76 : 725,619.84 = 168,195.40 : x
  2. Step 2: Convert to fraction form
    483,735.76/725,619.84 = 168,195.40/x
  3. Step 3: Cross multiply
    483,735.76x = 725,619.84 × 168,195.40
  4. Step 4: Simplify right side
    483,735.76x = 122,045,919,236.74
  5. Step 5: Solve for x
    x = 122,045,919,236.74/483,735.76
  6. Step 6: Final answer
    x = 252,298.73

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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.