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Finding the Fourth Proportional to 475,062.68, 712,659.60 and 159,609.80

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Solution

The fourth proportional to 475,062.68, 712,659.60 and 159,609.80 is: 239,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,062.68 : 712,659.60 = 159,609.80 : x
  2. Step 2: Convert to fraction form
    475,062.68/712,659.60 = 159,609.80/x
  3. Step 3: Cross multiply
    475,062.68x = 712,659.60 × 159,609.80
  4. Step 4: Simplify right side
    475,062.68x = 113,747,456,224.08
  5. Step 5: Solve for x
    x = 113,747,456,224.08/475,062.68
  6. Step 6: Final answer
    x = 239,436.73

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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.