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Finding the Fourth Proportional to 366,822.80, 550,234.20 and 325,043.60

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Solution

The fourth proportional to 366,822.80, 550,234.20 and 325,043.60 is: 487,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,822.80 : 550,234.20 = 325,043.60 : x
  2. Step 2: Convert to fraction form
    366,822.80/550,234.20 = 325,043.60/x
  3. Step 3: Cross multiply
    366,822.80x = 550,234.20 × 325,043.60
  4. Step 4: Simplify right side
    366,822.80x = 178,850,105,211.12
  5. Step 5: Solve for x
    x = 178,850,105,211.12/366,822.80
  6. Step 6: Final answer
    x = 487,565.40

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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.