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Finding the Fourth Proportional to 266,914.20, 400,274.10 and 133,750.20

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Solution

The fourth proportional to 266,914.20, 400,274.10 and 133,750.20 is: 200,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,914.20 : 400,274.10 = 133,750.20 : x
  2. Step 2: Convert to fraction form
    266,914.20/400,274.10 = 133,750.20/x
  3. Step 3: Cross multiply
    266,914.20x = 400,274.10 × 133,750.20
  4. Step 4: Simplify right side
    266,914.20x = 53,536,740,929.82
  5. Step 5: Solve for x
    x = 53,536,740,929.82/266,914.20
  6. Step 6: Final answer
    x = 200,576.59

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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.