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Finding the Fourth Proportional to 533,759.88, 800,445.64 and 178,689.52

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Solution

The fourth proportional to 533,759.88, 800,445.64 and 178,689.52 is: 267,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,759.88 : 800,445.64 = 178,689.52 : x
  2. Step 2: Convert to fraction form
    533,759.88/800,445.64 = 178,689.52/x
  3. Step 3: Cross multiply
    533,759.88x = 800,445.64 × 178,689.52
  4. Step 4: Simplify right side
    533,759.88x = 143,031,247,197.69
  5. Step 5: Solve for x
    x = 143,031,247,197.69/533,759.88
  6. Step 6: Final answer
    x = 267,969.27

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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.