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Finding the Fourth Proportional to 273,233.70, 409,850.55 and 198,000.90

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Solution

The fourth proportional to 273,233.70, 409,850.55 and 198,000.90 is: 297,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,233.70 : 409,850.55 = 198,000.90 : x
  2. Step 2: Convert to fraction form
    273,233.70/409,850.55 = 198,000.90/x
  3. Step 3: Cross multiply
    273,233.70x = 409,850.55 × 198,000.90
  4. Step 4: Simplify right side
    273,233.70x = 81,150,777,765.50
  5. Step 5: Solve for x
    x = 81,150,777,765.50/273,233.70
  6. Step 6: Final answer
    x = 297,001.35

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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.