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Finding the Fourth Proportional to 533,890.22, 800,277.42 and 178,611.98

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Solution

The fourth proportional to 533,890.22, 800,277.42 and 178,611.98 is: 267,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,890.22 : 800,277.42 = 178,611.98 : x
  2. Step 2: Convert to fraction form
    533,890.22/800,277.42 = 178,611.98/x
  3. Step 3: Cross multiply
    533,890.22x = 800,277.42 × 178,611.98
  4. Step 4: Simplify right side
    533,890.22x = 142,939,134,535.49
  5. Step 5: Solve for x
    x = 142,939,134,535.49/533,890.22
  6. Step 6: Final answer
    x = 267,731.32

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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.