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Finding the Fourth Proportional to 605,103.36, 835,271.12 and 475,704.24

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Solution

The fourth proportional to 605,103.36, 835,271.12 and 475,704.24 is: 656,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,103.36 : 835,271.12 = 475,704.24 : x
  2. Step 2: Convert to fraction form
    605,103.36/835,271.12 = 475,704.24/x
  3. Step 3: Cross multiply
    605,103.36x = 835,271.12 × 475,704.24
  4. Step 4: Simplify right side
    605,103.36x = 397,342,013,333.55
  5. Step 5: Solve for x
    x = 397,342,013,333.55/605,103.36
  6. Step 6: Final answer
    x = 656,651.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.