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Finding the Fourth Proportional to 276,884.60, 415,326.90 and 182,406.20

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Solution

The fourth proportional to 276,884.60, 415,326.90 and 182,406.20 is: 273,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,884.60 : 415,326.90 = 182,406.20 : x
  2. Step 2: Convert to fraction form
    276,884.60/415,326.90 = 182,406.20/x
  3. Step 3: Cross multiply
    276,884.60x = 415,326.90 × 182,406.20
  4. Step 4: Simplify right side
    276,884.60x = 75,758,201,586.78
  5. Step 5: Solve for x
    x = 75,758,201,586.78/276,884.60
  6. Step 6: Final answer
    x = 273,609.30

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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.