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Finding the Fourth Proportional to 435,546.56, 653,260.32 and 119,958.08

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Solution

The fourth proportional to 435,546.56, 653,260.32 and 119,958.08 is: 179,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,546.56 : 653,260.32 = 119,958.08 : x
  2. Step 2: Convert to fraction form
    435,546.56/653,260.32 = 119,958.08/x
  3. Step 3: Cross multiply
    435,546.56x = 653,260.32 × 119,958.08
  4. Step 4: Simplify right side
    435,546.56x = 78,363,853,727.39
  5. Step 5: Solve for x
    x = 78,363,853,727.39/435,546.56
  6. Step 6: Final answer
    x = 179,920.73

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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.