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Finding the Fourth Proportional to 330,486.50, 495,576.65 and 267,150.98

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Solution

The fourth proportional to 330,486.50, 495,576.65 and 267,150.98 is: 400,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,486.50 : 495,576.65 = 267,150.98 : x
  2. Step 2: Convert to fraction form
    330,486.50/495,576.65 = 267,150.98/x
  3. Step 3: Cross multiply
    330,486.50x = 495,576.65 × 267,150.98
  4. Step 4: Simplify right side
    330,486.50x = 132,393,783,898.98
  5. Step 5: Solve for x
    x = 132,393,783,898.98/330,486.50
  6. Step 6: Final answer
    x = 400,602.71

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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.