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Finding the Fourth Proportional to 433,268.50, 649,842.62 and 133,758.94

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Solution

The fourth proportional to 433,268.50, 649,842.62 and 133,758.94 is: 200,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,268.50 : 649,842.62 = 133,758.94 : x
  2. Step 2: Convert to fraction form
    433,268.50/649,842.62 = 133,758.94/x
  3. Step 3: Cross multiply
    433,268.50x = 649,842.62 × 133,758.94
  4. Step 4: Simplify right side
    433,268.50x = 86,922,260,018.02
  5. Step 5: Solve for x
    x = 86,922,260,018.02/433,268.50
  6. Step 6: Final answer
    x = 200,619.85

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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.