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Finding the Fourth Proportional to 663,072.80, 994,616.20 and 530,793.96

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Solution

The fourth proportional to 663,072.80, 994,616.20 and 530,793.96 is: 796,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,072.80 : 994,616.20 = 530,793.96 : x
  2. Step 2: Convert to fraction form
    663,072.80/994,616.20 = 530,793.96/x
  3. Step 3: Cross multiply
    663,072.80x = 994,616.20 × 530,793.96
  4. Step 4: Simplify right side
    663,072.80x = 527,936,271,478.15
  5. Step 5: Solve for x
    x = 527,936,271,478.15/663,072.80
  6. Step 6: Final answer
    x = 796,196.54

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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.