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Finding the Fourth Proportional to 422,022.75, 633,152.67 and 169,480.59

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Solution

The fourth proportional to 422,022.75, 633,152.67 and 169,480.59 is: 254,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,022.75 : 633,152.67 = 169,480.59 : x
  2. Step 2: Convert to fraction form
    422,022.75/633,152.67 = 169,480.59/x
  3. Step 3: Cross multiply
    422,022.75x = 633,152.67 × 169,480.59
  4. Step 4: Simplify right side
    422,022.75x = 107,307,088,071.68
  5. Step 5: Solve for x
    x = 107,307,088,071.68/422,022.75
  6. Step 6: Final answer
    x = 254,268.49

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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.