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Finding the Fourth Proportional to 342,690.80, 513,805.80 and 182,793.20

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Solution

The fourth proportional to 342,690.80, 513,805.80 and 182,793.20 is: 274,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,690.80 : 513,805.80 = 182,793.20 : x
  2. Step 2: Convert to fraction form
    342,690.80/513,805.80 = 182,793.20/x
  3. Step 3: Cross multiply
    342,690.80x = 513,805.80 × 182,793.20
  4. Step 4: Simplify right side
    342,690.80x = 93,920,206,360.56
  5. Step 5: Solve for x
    x = 93,920,206,360.56/342,690.80
  6. Step 6: Final answer
    x = 274,066.90

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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.