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Finding the Fourth Proportional to 433,062.45, 649,593.68 and 133,516.35

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Solution

The fourth proportional to 433,062.45, 649,593.68 and 133,516.35 is: 200,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,062.45 : 649,593.68 = 133,516.35 : x
  2. Step 2: Convert to fraction form
    433,062.45/649,593.68 = 133,516.35/x
  3. Step 3: Cross multiply
    433,062.45x = 649,593.68 × 133,516.35
  4. Step 4: Simplify right side
    433,062.45x = 86,731,376,469.09
  5. Step 5: Solve for x
    x = 86,731,376,469.09/433,062.45
  6. Step 6: Final answer
    x = 200,274.53

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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.