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Finding the Fourth Proportional to 416,726.20, 624,847.86 and 366,906.40

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Solution

The fourth proportional to 416,726.20, 624,847.86 and 366,906.40 is: 550,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,726.20 : 624,847.86 = 366,906.40 : x
  2. Step 2: Convert to fraction form
    416,726.20/624,847.86 = 366,906.40/x
  3. Step 3: Cross multiply
    416,726.20x = 624,847.86 × 366,906.40
  4. Step 4: Simplify right side
    416,726.20x = 229,260,678,860.30
  5. Step 5: Solve for x
    x = 229,260,678,860.30/416,726.20
  6. Step 6: Final answer
    x = 550,147.02

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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.