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Finding the Fourth Proportional to 318,494.46, 439,540.54 and 182,551.05

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Solution

The fourth proportional to 318,494.46, 439,540.54 and 182,551.05 is: 251,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,494.46 : 439,540.54 = 182,551.05 : x
  2. Step 2: Convert to fraction form
    318,494.46/439,540.54 = 182,551.05/x
  3. Step 3: Cross multiply
    318,494.46x = 439,540.54 × 182,551.05
  4. Step 4: Simplify right side
    318,494.46x = 80,238,585,860.57
  5. Step 5: Solve for x
    x = 80,238,585,860.57/318,494.46
  6. Step 6: Final answer
    x = 251,930.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.