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Finding the Fourth Proportional to 449,226.30, 673,836.70 and 112,265.22

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Solution

The fourth proportional to 449,226.30, 673,836.70 and 112,265.22 is: 168,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,226.30 : 673,836.70 = 112,265.22 : x
  2. Step 2: Convert to fraction form
    449,226.30/673,836.70 = 112,265.22/x
  3. Step 3: Cross multiply
    449,226.30x = 673,836.70 × 112,265.22
  4. Step 4: Simplify right side
    449,226.30x = 75,648,425,369.57
  5. Step 5: Solve for x
    x = 75,648,425,369.57/449,226.30
  6. Step 6: Final answer
    x = 168,397.14

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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.