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Finding the Fourth Proportional to 324,015.60, 485,877.60 and 124,269.60

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Solution

The fourth proportional to 324,015.60, 485,877.60 and 124,269.60 is: 186,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,015.60 : 485,877.60 = 124,269.60 : x
  2. Step 2: Convert to fraction form
    324,015.60/485,877.60 = 124,269.60/x
  3. Step 3: Cross multiply
    324,015.60x = 485,877.60 × 124,269.60
  4. Step 4: Simplify right side
    324,015.60x = 60,379,815,000.96
  5. Step 5: Solve for x
    x = 60,379,815,000.96/324,015.60
  6. Step 6: Final answer
    x = 186,348.48

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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.