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Finding the Fourth Proportional to 422,436.67, 633,656.32 and 106,893.47

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Solution

The fourth proportional to 422,436.67, 633,656.32 and 106,893.47 is: 160,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,436.67 : 633,656.32 = 106,893.47 : x
  2. Step 2: Convert to fraction form
    422,436.67/633,656.32 = 106,893.47/x
  3. Step 3: Cross multiply
    422,436.67x = 633,656.32 × 106,893.47
  4. Step 4: Simplify right side
    422,436.67x = 67,733,724,149.14
  5. Step 5: Solve for x
    x = 67,733,724,149.14/422,436.67
  6. Step 6: Final answer
    x = 160,340.54

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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.