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Finding the Fourth Proportional to 496,999.75, 745,499.63 and 123,022.75

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Solution

The fourth proportional to 496,999.75, 745,499.63 and 123,022.75 is: 184,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,999.75 : 745,499.63 = 123,022.75 : x
  2. Step 2: Convert to fraction form
    496,999.75/745,499.63 = 123,022.75/x
  3. Step 3: Cross multiply
    496,999.75x = 745,499.63 × 123,022.75
  4. Step 4: Simplify right side
    496,999.75x = 91,713,414,606.58
  5. Step 5: Solve for x
    x = 91,713,414,606.58/496,999.75
  6. Step 6: Final answer
    x = 184,534.13

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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.