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Finding the Fourth Proportional to 318,419.46, 439,481.62 and 182,544.62

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Solution

The fourth proportional to 318,419.46, 439,481.62 and 182,544.62 is: 251,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,419.46 : 439,481.62 = 182,544.62 : x
  2. Step 2: Convert to fraction form
    318,419.46/439,481.62 = 182,544.62/x
  3. Step 3: Cross multiply
    318,419.46x = 439,481.62 × 182,544.62
  4. Step 4: Simplify right side
    318,419.46x = 80,225,005,319.88
  5. Step 5: Solve for x
    x = 80,225,005,319.88/318,419.46
  6. Step 6: Final answer
    x = 251,947.56

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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.