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Finding the Fourth Proportional to 367,138.83, 550,873.50 and 198,461.67

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Solution

The fourth proportional to 367,138.83, 550,873.50 and 198,461.67 is: 297,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,138.83 : 550,873.50 = 198,461.67 : x
  2. Step 2: Convert to fraction form
    367,138.83/550,873.50 = 198,461.67/x
  3. Step 3: Cross multiply
    367,138.83x = 550,873.50 × 198,461.67
  4. Step 4: Simplify right side
    367,138.83x = 109,327,274,768.75
  5. Step 5: Solve for x
    x = 109,327,274,768.75/367,138.83
  6. Step 6: Final answer
    x = 297,781.84

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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.