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Finding the Fourth Proportional to 301,961.40, 453,201.30 and 133,740.60

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Solution

The fourth proportional to 301,961.40, 453,201.30 and 133,740.60 is: 200,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,961.40 : 453,201.30 = 133,740.60 : x
  2. Step 2: Convert to fraction form
    301,961.40/453,201.30 = 133,740.60/x
  3. Step 3: Cross multiply
    301,961.40x = 453,201.30 × 133,740.60
  4. Step 4: Simplify right side
    301,961.40x = 60,611,413,782.78
  5. Step 5: Solve for x
    x = 60,611,413,782.78/301,961.40
  6. Step 6: Final answer
    x = 200,725.70

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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.