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Finding the Fourth Proportional to 276,851.60, 415,277.40 and 271,602.80

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Solution

The fourth proportional to 276,851.60, 415,277.40 and 271,602.80 is: 407,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,851.60 : 415,277.40 = 271,602.80 : x
  2. Step 2: Convert to fraction form
    276,851.60/415,277.40 = 271,602.80/x
  3. Step 3: Cross multiply
    276,851.60x = 415,277.40 × 271,602.80
  4. Step 4: Simplify right side
    276,851.60x = 112,790,504,616.72
  5. Step 5: Solve for x
    x = 112,790,504,616.72/276,851.60
  6. Step 6: Final answer
    x = 407,404.20

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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.