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Finding the Fourth Proportional to 422,604.72, 633,907.08 and 107,086.32

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Solution

The fourth proportional to 422,604.72, 633,907.08 and 107,086.32 is: 160,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,604.72 : 633,907.08 = 107,086.32 : x
  2. Step 2: Convert to fraction form
    422,604.72/633,907.08 = 107,086.32/x
  3. Step 3: Cross multiply
    422,604.72x = 633,907.08 × 107,086.32
  4. Step 4: Simplify right side
    422,604.72x = 67,882,776,419.15
  5. Step 5: Solve for x
    x = 67,882,776,419.15/422,604.72
  6. Step 6: Final answer
    x = 160,629.48

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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.