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Finding the Fourth Proportional to 548,180.80, 821,979.60 and 232,280.80

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Solution

The fourth proportional to 548,180.80, 821,979.60 and 232,280.80 is: 348,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,180.80 : 821,979.60 = 232,280.80 : x
  2. Step 2: Convert to fraction form
    548,180.80/821,979.60 = 232,280.80/x
  3. Step 3: Cross multiply
    548,180.80x = 821,979.60 × 232,280.80
  4. Step 4: Simplify right side
    548,180.80x = 190,930,079,071.68
  5. Step 5: Solve for x
    x = 190,930,079,071.68/548,180.80
  6. Step 6: Final answer
    x = 348,297.64

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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.