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Finding the Fourth Proportional to 433,119.56, 649,243.12 and 180,539.86

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Solution

The fourth proportional to 433,119.56, 649,243.12 and 180,539.86 is: 270,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,119.56 : 649,243.12 = 180,539.86 : x
  2. Step 2: Convert to fraction form
    433,119.56/649,243.12 = 180,539.86/x
  3. Step 3: Cross multiply
    433,119.56x = 649,243.12 × 180,539.86
  4. Step 4: Simplify right side
    433,119.56x = 117,214,261,990.76
  5. Step 5: Solve for x
    x = 117,214,261,990.76/433,119.56
  6. Step 6: Final answer
    x = 270,627.96

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1.5x scale

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.