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Finding the Fourth Proportional to 508,540.44, 762,847.14 and 134,559

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Solution

The fourth proportional to 508,540.44, 762,847.14 and 134,559 is: 201,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,540.44 : 762,847.14 = 134,559 : x
  2. Step 2: Convert to fraction form
    508,540.44/762,847.14 = 134,559/x
  3. Step 3: Cross multiply
    508,540.44x = 762,847.14 × 134,559
  4. Step 4: Simplify right side
    508,540.44x = 102,647,948,311.26
  5. Step 5: Solve for x
    x = 102,647,948,311.26/508,540.44
  6. Step 6: Final answer
    x = 201,848.15

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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.