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Finding the Fourth Proportional to 331,308.96, 496,520.56 and 120,748.96

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Solution

The fourth proportional to 331,308.96, 496,520.56 and 120,748.96 is: 180,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,308.96 : 496,520.56 = 120,748.96 : x
  2. Step 2: Convert to fraction form
    331,308.96/496,520.56 = 120,748.96/x
  3. Step 3: Cross multiply
    331,308.96x = 496,520.56 × 120,748.96
  4. Step 4: Simplify right side
    331,308.96x = 59,954,341,238.62
  5. Step 5: Solve for x
    x = 59,954,341,238.62/331,308.96
  6. Step 6: Final answer
    x = 180,962.03

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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.