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Finding the Fourth Proportional to 433,408.15, 650,181.48 and 133,818.31

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Solution

The fourth proportional to 433,408.15, 650,181.48 and 133,818.31 is: 200,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,408.15 : 650,181.48 = 133,818.31 : x
  2. Step 2: Convert to fraction form
    433,408.15/650,181.48 = 133,818.31/x
  3. Step 3: Cross multiply
    433,408.15x = 650,181.48 × 133,818.31
  4. Step 4: Simplify right side
    433,408.15x = 87,006,186,846.90
  5. Step 5: Solve for x
    x = 87,006,186,846.90/433,408.15
  6. Step 6: Final answer
    x = 200,748.85

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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.