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Finding the Fourth Proportional to 260,253.78, 389,301.18 and 244,310.55

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Solution

The fourth proportional to 260,253.78, 389,301.18 and 244,310.55 is: 365,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,253.78 : 389,301.18 = 244,310.55 : x
  2. Step 2: Convert to fraction form
    260,253.78/389,301.18 = 244,310.55/x
  3. Step 3: Cross multiply
    260,253.78x = 389,301.18 × 244,310.55
  4. Step 4: Simplify right side
    260,253.78x = 95,110,385,401.45
  5. Step 5: Solve for x
    x = 95,110,385,401.45/260,253.78
  6. Step 6: Final answer
    x = 365,452.46

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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.