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Finding the Fourth Proportional to 663,003.10, 994,504.65 and 411,060.70

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Solution

The fourth proportional to 663,003.10, 994,504.65 and 411,060.70 is: 616,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,003.10 : 994,504.65 = 411,060.70 : x
  2. Step 2: Convert to fraction form
    663,003.10/994,504.65 = 411,060.70/x
  3. Step 3: Cross multiply
    663,003.10x = 994,504.65 × 411,060.70
  4. Step 4: Simplify right side
    663,003.10x = 408,801,777,582.26
  5. Step 5: Solve for x
    x = 408,801,777,582.26/663,003.10
  6. Step 6: Final answer
    x = 616,591.05

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Similar ratio
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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.