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Finding the Fourth Proportional to 662,651.60, 993,977.40 and 633,621.20

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Solution

The fourth proportional to 662,651.60, 993,977.40 and 633,621.20 is: 950,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,651.60 : 993,977.40 = 633,621.20 : x
  2. Step 2: Convert to fraction form
    662,651.60/993,977.40 = 633,621.20/x
  3. Step 3: Cross multiply
    662,651.60x = 993,977.40 × 633,621.20
  4. Step 4: Simplify right side
    662,651.60x = 629,805,152,960.88
  5. Step 5: Solve for x
    x = 629,805,152,960.88/662,651.60
  6. Step 6: Final answer
    x = 950,431.80

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Double scale
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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.