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Finding the Fourth Proportional to 441,596.76, 662,401.66 and 126,053.88

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Solution

The fourth proportional to 441,596.76, 662,401.66 and 126,053.88 is: 189,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,596.76 : 662,401.66 = 126,053.88 : x
  2. Step 2: Convert to fraction form
    441,596.76/662,401.66 = 126,053.88/x
  3. Step 3: Cross multiply
    441,596.76x = 662,401.66 × 126,053.88
  4. Step 4: Simplify right side
    441,596.76x = 83,498,299,361.44
  5. Step 5: Solve for x
    x = 83,498,299,361.44/441,596.76
  6. Step 6: Final answer
    x = 189,082.68

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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.