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Finding the Fourth Proportional to 533,579.88, 800,370.84 and 134,217.96

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Solution

The fourth proportional to 533,579.88, 800,370.84 and 134,217.96 is: 201,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,579.88 : 800,370.84 = 134,217.96 : x
  2. Step 2: Convert to fraction form
    533,579.88/800,370.84 = 134,217.96/x
  3. Step 3: Cross multiply
    533,579.88x = 800,370.84 × 134,217.96
  4. Step 4: Simplify right side
    533,579.88x = 107,424,141,388.29
  5. Step 5: Solve for x
    x = 107,424,141,388.29/533,579.88
  6. Step 6: Final answer
    x = 201,327.20

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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.