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Finding the Fourth Proportional to 449,362.56, 673,999.04 and 116,938.56

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Solution

The fourth proportional to 449,362.56, 673,999.04 and 116,938.56 is: 175,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,362.56 : 673,999.04 = 116,938.56 : x
  2. Step 2: Convert to fraction form
    449,362.56/673,999.04 = 116,938.56/x
  3. Step 3: Cross multiply
    449,362.56x = 673,999.04 × 116,938.56
  4. Step 4: Simplify right side
    449,362.56x = 78,816,477,178.98
  5. Step 5: Solve for x
    x = 78,816,477,178.98/449,362.56
  6. Step 6: Final answer
    x = 175,396.18

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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.