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Finding the Fourth Proportional to 632,197.80, 946,914.30 and 490,847.40

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Solution

The fourth proportional to 632,197.80, 946,914.30 and 490,847.40 is: 735,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,197.80 : 946,914.30 = 490,847.40 : x
  2. Step 2: Convert to fraction form
    632,197.80/946,914.30 = 490,847.40/x
  3. Step 3: Cross multiply
    632,197.80x = 946,914.30 × 490,847.40
  4. Step 4: Simplify right side
    632,197.80x = 464,790,422,177.82
  5. Step 5: Solve for x
    x = 464,790,422,177.82/632,197.80
  6. Step 6: Final answer
    x = 735,197.78

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Double scale
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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.