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Finding the Fourth Proportional to 433,281.60, 649,939.32 and 133,735.44

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Solution

The fourth proportional to 433,281.60, 649,939.32 and 133,735.44 is: 200,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,281.60 : 649,939.32 = 133,735.44 : x
  2. Step 2: Convert to fraction form
    433,281.60/649,939.32 = 133,735.44/x
  3. Step 3: Cross multiply
    433,281.60x = 649,939.32 × 133,735.44
  4. Step 4: Simplify right side
    433,281.60x = 86,919,920,933.50
  5. Step 5: Solve for x
    x = 86,919,920,933.50/433,281.60
  6. Step 6: Final answer
    x = 200,608.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.