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Finding the Fourth Proportional to 496,863.56, 745,286.70 and 122,886.56

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Solution

The fourth proportional to 496,863.56, 745,286.70 and 122,886.56 is: 184,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,863.56 : 745,286.70 = 122,886.56 : x
  2. Step 2: Convert to fraction form
    496,863.56/745,286.70 = 122,886.56/x
  3. Step 3: Cross multiply
    496,863.56x = 745,286.70 × 122,886.56
  4. Step 4: Simplify right side
    496,863.56x = 91,585,718,776.75
  5. Step 5: Solve for x
    x = 91,585,718,776.75/496,863.56
  6. Step 6: Final answer
    x = 184,327.70

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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.