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Finding the Fourth Proportional to 449,965.87, 673,290.29 and 270,160.58

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Solution

The fourth proportional to 449,965.87, 673,290.29 and 270,160.58 is: 404,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,965.87 : 673,290.29 = 270,160.58 : x
  2. Step 2: Convert to fraction form
    449,965.87/673,290.29 = 270,160.58/x
  3. Step 3: Cross multiply
    449,965.87x = 673,290.29 × 270,160.58
  4. Step 4: Simplify right side
    449,965.87x = 181,896,497,613.40
  5. Step 5: Solve for x
    x = 181,896,497,613.40/449,965.87
  6. Step 6: Final answer
    x = 404,245.10

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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.