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Finding the Fourth Proportional to 663,175.20, 994,761.55 and 207,801.29

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Solution

The fourth proportional to 663,175.20, 994,761.55 and 207,801.29 is: 311,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,175.20 : 994,761.55 = 207,801.29 : x
  2. Step 2: Convert to fraction form
    663,175.20/994,761.55 = 207,801.29/x
  3. Step 3: Cross multiply
    663,175.20x = 994,761.55 × 207,801.29
  4. Step 4: Simplify right side
    663,175.20x = 206,712,732,293.39
  5. Step 5: Solve for x
    x = 206,712,732,293.39/663,175.20
  6. Step 6: Final answer
    x = 311,701.54

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Similar ratio
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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.