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Finding the Fourth Proportional to 664,793.67, 997,501.92 and 327,650.54

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Solution

The fourth proportional to 664,793.67, 997,501.92 and 327,650.54 is: 491,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,793.67 : 997,501.92 = 327,650.54 : x
  2. Step 2: Convert to fraction form
    664,793.67/997,501.92 = 327,650.54/x
  3. Step 3: Cross multiply
    664,793.67x = 997,501.92 × 327,650.54
  4. Step 4: Simplify right side
    664,793.67x = 326,832,038,365.87
  5. Step 5: Solve for x
    x = 326,832,038,365.87/664,793.67
  6. Step 6: Final answer
    x = 491,629.29

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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.