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Finding the Fourth Proportional to 416,517.69, 574,761.90 and 235,247.79

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Solution

The fourth proportional to 416,517.69, 574,761.90 and 235,247.79 is: 324,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,517.69 : 574,761.90 = 235,247.79 : x
  2. Step 2: Convert to fraction form
    416,517.69/574,761.90 = 235,247.79/x
  3. Step 3: Cross multiply
    416,517.69x = 574,761.90 × 235,247.79
  4. Step 4: Simplify right side
    416,517.69x = 135,211,466,751.20
  5. Step 5: Solve for x
    x = 135,211,466,751.20/416,517.69
  6. Step 6: Final answer
    x = 324,623.59

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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.