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Finding the Fourth Proportional to 471,496.11, 707,381.96 and 151,640.79

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Solution

The fourth proportional to 471,496.11, 707,381.96 and 151,640.79 is: 227,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,496.11 : 707,381.96 = 151,640.79 : x
  2. Step 2: Convert to fraction form
    471,496.11/707,381.96 = 151,640.79/x
  3. Step 3: Cross multiply
    471,496.11x = 707,381.96 × 151,640.79
  4. Step 4: Simplify right side
    471,496.11x = 107,267,958,487.94
  5. Step 5: Solve for x
    x = 107,267,958,487.94/471,496.11
  6. Step 6: Final answer
    x = 227,505.50

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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.