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Finding the Fourth Proportional to 641,067.40, 960,434.70 and 522,094.60

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Solution

The fourth proportional to 641,067.40, 960,434.70 and 522,094.60 is: 782,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,067.40 : 960,434.70 = 522,094.60 : x
  2. Step 2: Convert to fraction form
    641,067.40/960,434.70 = 522,094.60/x
  3. Step 3: Cross multiply
    641,067.40x = 960,434.70 × 522,094.60
  4. Step 4: Simplify right side
    641,067.40x = 501,437,770,522.62
  5. Step 5: Solve for x
    x = 501,437,770,522.62/641,067.40
  6. Step 6: Final answer
    x = 782,191.97

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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.