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Finding the Fourth Proportional to 416,454.80, 624,682.20 and 179,632.40

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Solution

The fourth proportional to 416,454.80, 624,682.20 and 179,632.40 is: 269,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,454.80 : 624,682.20 = 179,632.40 : x
  2. Step 2: Convert to fraction form
    416,454.80/624,682.20 = 179,632.40/x
  3. Step 3: Cross multiply
    416,454.80x = 624,682.20 × 179,632.40
  4. Step 4: Simplify right side
    416,454.80x = 112,213,162,823.28
  5. Step 5: Solve for x
    x = 112,213,162,823.28/416,454.80
  6. Step 6: Final answer
    x = 269,448.60

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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.