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Finding the Fourth Proportional to 575,201.20, 862,801.80 and 326,369.20

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Solution

The fourth proportional to 575,201.20, 862,801.80 and 326,369.20 is: 489,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,201.20 : 862,801.80 = 326,369.20 : x
  2. Step 2: Convert to fraction form
    575,201.20/862,801.80 = 326,369.20/x
  3. Step 3: Cross multiply
    575,201.20x = 862,801.80 × 326,369.20
  4. Step 4: Simplify right side
    575,201.20x = 281,591,933,224.56
  5. Step 5: Solve for x
    x = 281,591,933,224.56/575,201.20
  6. Step 6: Final answer
    x = 489,553.80

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Similar ratio
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1.5x scale

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.