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Finding the Fourth Proportional to 533,064.20, 800,033.70 and 515,568.20

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Solution

The fourth proportional to 533,064.20, 800,033.70 and 515,568.20 is: 773,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,064.20 : 800,033.70 = 515,568.20 : x
  2. Step 2: Convert to fraction form
    533,064.20/800,033.70 = 515,568.20/x
  3. Step 3: Cross multiply
    533,064.20x = 800,033.70 × 515,568.20
  4. Step 4: Simplify right side
    533,064.20x = 412,471,934,648.34
  5. Step 5: Solve for x
    x = 412,471,934,648.34/533,064.20
  6. Step 6: Final answer
    x = 773,775.34

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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.