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Finding the Fourth Proportional to 416,120.88, 574,246.62 and 234,870.83

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Solution

The fourth proportional to 416,120.88, 574,246.62 and 234,870.83 is: 324,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,120.88 : 574,246.62 = 234,870.83 : x
  2. Step 2: Convert to fraction form
    416,120.88/574,246.62 = 234,870.83/x
  3. Step 3: Cross multiply
    416,120.88x = 574,246.62 × 234,870.83
  4. Step 4: Simplify right side
    416,120.88x = 134,873,777,392.86
  5. Step 5: Solve for x
    x = 134,873,777,392.86/416,120.88
  6. Step 6: Final answer
    x = 324,121.63

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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.