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Finding the Fourth Proportional to 483,761.60, 725,858.40 and 168,444.80

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Solution

The fourth proportional to 483,761.60, 725,858.40 and 168,444.80 is: 252,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,761.60 : 725,858.40 = 168,444.80 : x
  2. Step 2: Convert to fraction form
    483,761.60/725,858.40 = 168,444.80/x
  3. Step 3: Cross multiply
    483,761.60x = 725,858.40 × 168,444.80
  4. Step 4: Simplify right side
    483,761.60x = 122,267,073,016.32
  5. Step 5: Solve for x
    x = 122,267,073,016.32/483,761.60
  6. Step 6: Final answer
    x = 252,742.41

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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.