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Finding the Fourth Proportional to 441,704.60, 662,556.90 and 411,961.40

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Solution

The fourth proportional to 441,704.60, 662,556.90 and 411,961.40 is: 617,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,704.60 : 662,556.90 = 411,961.40 : x
  2. Step 2: Convert to fraction form
    441,704.60/662,556.90 = 411,961.40/x
  3. Step 3: Cross multiply
    441,704.60x = 662,556.90 × 411,961.40
  4. Step 4: Simplify right side
    441,704.60x = 272,947,868,103.66
  5. Step 5: Solve for x
    x = 272,947,868,103.66/441,704.60
  6. Step 6: Final answer
    x = 617,942.10

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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.