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Finding the Fourth Proportional to 433,147.99, 650,311.46 and 243,742.18

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Solution

The fourth proportional to 433,147.99, 650,311.46 and 243,742.18 is: 365,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,147.99 : 650,311.46 = 243,742.18 : x
  2. Step 2: Convert to fraction form
    433,147.99/650,311.46 = 243,742.18/x
  3. Step 3: Cross multiply
    433,147.99x = 650,311.46 × 243,742.18
  4. Step 4: Simplify right side
    433,147.99x = 158,508,328,627.85
  5. Step 5: Solve for x
    x = 158,508,328,627.85/433,147.99
  6. Step 6: Final answer
    x = 365,944.97

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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.