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Finding the Fourth Proportional to 507,063.96, 760,546.32 and 133,086.96

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Solution

The fourth proportional to 507,063.96, 760,546.32 and 133,086.96 is: 199,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,063.96 : 760,546.32 = 133,086.96 : x
  2. Step 2: Convert to fraction form
    507,063.96/760,546.32 = 133,086.96/x
  3. Step 3: Cross multiply
    507,063.96x = 760,546.32 × 133,086.96
  4. Step 4: Simplify right side
    507,063.96x = 101,218,797,667.99
  5. Step 5: Solve for x
    x = 101,218,797,667.99/507,063.96
  6. Step 6: Final answer
    x = 199,617.42

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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.