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Finding the Fourth Proportional to 329,097.20, 493,645.80 and 327,023.60

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Solution

The fourth proportional to 329,097.20, 493,645.80 and 327,023.60 is: 490,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,097.20 : 493,645.80 = 327,023.60 : x
  2. Step 2: Convert to fraction form
    329,097.20/493,645.80 = 327,023.60/x
  3. Step 3: Cross multiply
    329,097.20x = 493,645.80 × 327,023.60
  4. Step 4: Simplify right side
    329,097.20x = 161,433,826,640.88
  5. Step 5: Solve for x
    x = 161,433,826,640.88/329,097.20
  6. Step 6: Final answer
    x = 490,535.40

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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.