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Finding the Fourth Proportional to 363,079.05, 543,453.99 and 194,177.04

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Solution

The fourth proportional to 363,079.05, 543,453.99 and 194,177.04 is: 290,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,079.05 : 543,453.99 = 194,177.04 : x
  2. Step 2: Convert to fraction form
    363,079.05/543,453.99 = 194,177.04/x
  3. Step 3: Cross multiply
    363,079.05x = 543,453.99 × 194,177.04
  4. Step 4: Simplify right side
    363,079.05x = 105,526,287,154.39
  5. Step 5: Solve for x
    x = 105,526,287,154.39/363,079.05
  6. Step 6: Final answer
    x = 290,642.73

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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.