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Finding the Fourth Proportional to 449,087.80, 673,631.70 and 182,711.20

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Solution

The fourth proportional to 449,087.80, 673,631.70 and 182,711.20 is: 274,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,087.80 : 673,631.70 = 182,711.20 : x
  2. Step 2: Convert to fraction form
    449,087.80/673,631.70 = 182,711.20/x
  3. Step 3: Cross multiply
    449,087.80x = 673,631.70 × 182,711.20
  4. Step 4: Simplify right side
    449,087.80x = 123,080,056,265.04
  5. Step 5: Solve for x
    x = 123,080,056,265.04/449,087.80
  6. Step 6: Final answer
    x = 274,066.80

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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.