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Finding the Fourth Proportional to 363,188.81, 501,198.18 and 199,855.25

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Solution

The fourth proportional to 363,188.81, 501,198.18 and 199,855.25 is: 275,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,188.81 : 501,198.18 = 199,855.25 : x
  2. Step 2: Convert to fraction form
    363,188.81/501,198.18 = 199,855.25/x
  3. Step 3: Cross multiply
    363,188.81x = 501,198.18 × 199,855.25
  4. Step 4: Simplify right side
    363,188.81x = 100,167,087,311.68
  5. Step 5: Solve for x
    x = 100,167,087,311.68/363,188.81
  6. Step 6: Final answer
    x = 275,798.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.