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Finding the Fourth Proportional to 449,586.21, 673,941.03 and 179,633.88

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Solution

The fourth proportional to 449,586.21, 673,941.03 and 179,633.88 is: 269,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,586.21 : 673,941.03 = 179,633.88 : x
  2. Step 2: Convert to fraction form
    449,586.21/673,941.03 = 179,633.88/x
  3. Step 3: Cross multiply
    449,586.21x = 673,941.03 × 179,633.88
  4. Step 4: Simplify right side
    449,586.21x = 121,062,642,110.10
  5. Step 5: Solve for x
    x = 121,062,642,110.10/449,586.21
  6. Step 6: Final answer
    x = 269,275.70

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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.