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Finding the Fourth Proportional to 533,215.80, 800,169.30 and 308,575.80

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Solution

The fourth proportional to 533,215.80, 800,169.30 and 308,575.80 is: 463,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,215.80 : 800,169.30 = 308,575.80 : x
  2. Step 2: Convert to fraction form
    533,215.80/800,169.30 = 308,575.80/x
  3. Step 3: Cross multiply
    533,215.80x = 800,169.30 × 308,575.80
  4. Step 4: Simplify right side
    533,215.80x = 246,912,881,882.94
  5. Step 5: Solve for x
    x = 246,912,881,882.94/533,215.80
  6. Step 6: Final answer
    x = 463,063.70

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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.