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Finding the Fourth Proportional to 461,704.80, 691,520.40 and 461,704.80

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Solution

The fourth proportional to 461,704.80, 691,520.40 and 461,704.80 is: 691,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,704.80 : 691,520.40 = 461,704.80 : x
  2. Step 2: Convert to fraction form
    461,704.80/691,520.40 = 461,704.80/x
  3. Step 3: Cross multiply
    461,704.80x = 691,520.40 × 461,704.80
  4. Step 4: Simplify right side
    461,704.80x = 319,278,287,977.92
  5. Step 5: Solve for x
    x = 319,278,287,977.92/461,704.80
  6. Step 6: Final answer
    x = 691,520.40

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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.