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Finding the Fourth Proportional to 433,190.33, 649,803.94 and 133,664.28

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Solution

The fourth proportional to 433,190.33, 649,803.94 and 133,664.28 is: 200,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,190.33 : 649,803.94 = 133,664.28 : x
  2. Step 2: Convert to fraction form
    433,190.33/649,803.94 = 133,664.28/x
  3. Step 3: Cross multiply
    433,190.33x = 649,803.94 × 133,664.28
  4. Step 4: Simplify right side
    433,190.33x = 86,855,573,010.34
  5. Step 5: Solve for x
    x = 86,855,573,010.34/433,190.33
  6. Step 6: Final answer
    x = 200,502.11

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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.