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Finding the Fourth Proportional to 333,453.70, 500,274.21 and 133,914.20

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Solution

The fourth proportional to 333,453.70, 500,274.21 and 133,914.20 is: 200,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,453.70 : 500,274.21 = 133,914.20 : x
  2. Step 2: Convert to fraction form
    333,453.70/500,274.21 = 133,914.20/x
  3. Step 3: Cross multiply
    333,453.70x = 500,274.21 × 133,914.20
  4. Step 4: Simplify right side
    333,453.70x = 66,993,820,612.78
  5. Step 5: Solve for x
    x = 66,993,820,612.78/333,453.70
  6. Step 6: Final answer
    x = 200,908.91

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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.