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Finding the Fourth Proportional to 484,595.80, 727,671.30 and 327,520.60

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Solution

The fourth proportional to 484,595.80, 727,671.30 and 327,520.60 is: 491,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,595.80 : 727,671.30 = 327,520.60 : x
  2. Step 2: Convert to fraction form
    484,595.80/727,671.30 = 327,520.60/x
  3. Step 3: Cross multiply
    484,595.80x = 727,671.30 × 327,520.60
  4. Step 4: Simplify right side
    484,595.80x = 238,327,340,778.78
  5. Step 5: Solve for x
    x = 238,327,340,778.78/484,595.80
  6. Step 6: Final answer
    x = 491,806.45

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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.