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Finding the Fourth Proportional to 412,773.50, 618,181.45 and 327,108.92

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Solution

The fourth proportional to 412,773.50, 618,181.45 and 327,108.92 is: 489,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,773.50 : 618,181.45 = 327,108.92 : x
  2. Step 2: Convert to fraction form
    412,773.50/618,181.45 = 327,108.92/x
  3. Step 3: Cross multiply
    412,773.50x = 618,181.45 × 327,108.92
  4. Step 4: Simplify right side
    412,773.50x = 202,212,662,564.85
  5. Step 5: Solve for x
    x = 202,212,662,564.85/412,773.50
  6. Step 6: Final answer
    x = 489,887.70

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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.