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Finding the Fourth Proportional to 441,808.44, 662,734.54 and 126,311.88

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Solution

The fourth proportional to 441,808.44, 662,734.54 and 126,311.88 is: 189,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,808.44 : 662,734.54 = 126,311.88 : x
  2. Step 2: Convert to fraction form
    441,808.44/662,734.54 = 126,311.88/x
  3. Step 3: Cross multiply
    441,808.44x = 662,734.54 × 126,311.88
  4. Step 4: Simplify right side
    441,808.44x = 83,711,245,688.34
  5. Step 5: Solve for x
    x = 83,711,245,688.34/441,808.44
  6. Step 6: Final answer
    x = 189,474.08

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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.