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Finding the Fourth Proportional to 363,680.50, 545,540.19 and 114,381.94

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Solution

The fourth proportional to 363,680.50, 545,540.19 and 114,381.94 is: 171,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,680.50 : 545,540.19 = 114,381.94 : x
  2. Step 2: Convert to fraction form
    363,680.50/545,540.19 = 114,381.94/x
  3. Step 3: Cross multiply
    363,680.50x = 545,540.19 × 114,381.94
  4. Step 4: Simplify right side
    363,680.50x = 62,399,945,280.17
  5. Step 5: Solve for x
    x = 62,399,945,280.17/363,680.50
  6. Step 6: Final answer
    x = 171,579.02

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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.