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Finding the Fourth Proportional to 363,384.59, 544,960.62 and 120,180.49

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Solution

The fourth proportional to 363,384.59, 544,960.62 and 120,180.49 is: 180,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,384.59 : 544,960.62 = 120,180.49 : x
  2. Step 2: Convert to fraction form
    363,384.59/544,960.62 = 120,180.49/x
  3. Step 3: Cross multiply
    363,384.59x = 544,960.62 × 120,180.49
  4. Step 4: Simplify right side
    363,384.59x = 65,493,632,979.90
  5. Step 5: Solve for x
    x = 65,493,632,979.90/363,384.59
  6. Step 6: Final answer
    x = 180,232.28

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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.