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Finding the Fourth Proportional to 313,858.40, 433,082.16 and 200,600.80

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Solution

The fourth proportional to 313,858.40, 433,082.16 and 200,600.80 is: 276,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,858.40 : 433,082.16 = 200,600.80 : x
  2. Step 2: Convert to fraction form
    313,858.40/433,082.16 = 200,600.80/x
  3. Step 3: Cross multiply
    313,858.40x = 433,082.16 × 200,600.80
  4. Step 4: Simplify right side
    313,858.40x = 86,876,627,761.73
  5. Step 5: Solve for x
    x = 86,876,627,761.73/313,858.40
  6. Step 6: Final answer
    x = 276,801.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.