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Finding the Fourth Proportional to 533,931.92, 800,888.44 and 134,563.76

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Solution

The fourth proportional to 533,931.92, 800,888.44 and 134,563.76 is: 201,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,931.92 : 800,888.44 = 134,563.76 : x
  2. Step 2: Convert to fraction form
    533,931.92/800,888.44 = 134,563.76/x
  3. Step 3: Cross multiply
    533,931.92x = 800,888.44 × 134,563.76
  4. Step 4: Simplify right side
    533,931.92x = 107,770,559,826.93
  5. Step 5: Solve for x
    x = 107,770,559,826.93/533,931.92
  6. Step 6: Final answer
    x = 201,843.26

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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.