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Finding the Fourth Proportional to 435,635.70, 653,453.55 and 341,157.30

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Solution

The fourth proportional to 435,635.70, 653,453.55 and 341,157.30 is: 511,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,635.70 : 653,453.55 = 341,157.30 : x
  2. Step 2: Convert to fraction form
    435,635.70/653,453.55 = 341,157.30/x
  3. Step 3: Cross multiply
    435,635.70x = 653,453.55 × 341,157.30
  4. Step 4: Simplify right side
    435,635.70x = 222,930,448,793.42
  5. Step 5: Solve for x
    x = 222,930,448,793.42/435,635.70
  6. Step 6: Final answer
    x = 511,735.95

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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.