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Finding the Fourth Proportional to 533,882.20, 800,628.90 and 178,907.80

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Solution

The fourth proportional to 533,882.20, 800,628.90 and 178,907.80 is: 268,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,882.20 : 800,628.90 = 178,907.80 : x
  2. Step 2: Convert to fraction form
    533,882.20/800,628.90 = 178,907.80/x
  3. Step 3: Cross multiply
    533,882.20x = 800,628.90 × 178,907.80
  4. Step 4: Simplify right side
    533,882.20x = 143,238,755,115.42
  5. Step 5: Solve for x
    x = 143,238,755,115.42/533,882.20
  6. Step 6: Final answer
    x = 268,296.56

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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.